Philosophy & Ethics — B2 English Vocabulary
This B2 vocabulary list gathers 50 upper-intermediate English words about philosophy & ethics — truth, morality and the meaning of life. Every word comes with a simple definition, its British-English pronunciation and a natural example sentence, so you learn each one in real context. When you are ready, open the flashcards to practise and remember them for good.
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Using philosophy & ethics words in English
Philosophical vocabulary has one grammatical quirk worth settling first: ethics, like physics, ends in s and takes a singular verb when it names the discipline. The page also covers conviction, a word that means both a firmly held belief and a criminal record, and paradox, which is regularly used where contradiction is meant.
What to watch out for
Ethics is the subject; ethics are the standards
When it names the branch of philosophy, ethics is singular: Ethics is a demanding field. When it means somebody’s actual principles, it takes a plural verb: His ethics are questionable. The same double behaviour appears in politics, statistics and economics. Metaphysics and philosophy are singular throughout.
Conviction has two unrelated meanings
A conviction is a strongly held belief — she spoke with conviction — and it is also a formal finding of guilt in a criminal court: a previous conviction for fraud. The two come from the same Latin root but have separated completely. The adjective convinced belongs to the first sense only, and the verb convict to the second.
A paradox is not simply a contradiction
A paradox is a statement that seems self-contradictory yet may be true, or that leads to an impossible conclusion from apparently sound reasoning. A plain contradiction is just two claims that cannot both hold. Note that free will is written as two words with no hyphen, and that doctrine means a formal set of taught beliefs rather than any opinion.
Words learners mix up
Philosophical vocabulary looks abstract and is in fact quite exact. These clusters separate the ways of thinking inwardly, the ways of holding a belief, and the two words English uses for a life already written.
Four kinds of thinking about it
| Word | What it actually means | In a sentence |
|---|---|---|
| contemplate | To consider something deeply and at length. Also plainly means to consider doing something: contemplating a move. | He sat contemplating the question for an hour. |
| introspection | Examining your own thoughts and feelings. The object is always yourself, which is what distinguishes it. | A long period of introspection after the loss. |
| reflective | Given to thinking carefully about experience. Describes a person or a piece of writing, and is approving. | A reflective essay on her own practice. |
| speculation | Forming ideas without firm evidence. Neutral in philosophy, mildly critical elsewhere. | Pure speculation, but worth pursuing. |
| intuitive | Known immediately, without conscious reasoning. Also, of a design, easy to grasp without instruction. | An intuitive grasp of the problem. |
Only introspection is necessarily about the self. The trap is speculation, which in finance means risky investment and in philosophy means reasoning beyond the evidence — the two senses share a page in the dictionary and nothing else.
How firmly is the belief held — and by whom?
| Word | What it actually means | In a sentence |
|---|---|---|
| doctrine | A set of principles taught by a church, party or school of thought. Neutral: it names the content. | The doctrine was formalised in the fourth century. |
| dogma | The same content asserted as beyond question. Neutral inside a religion, critical everywhere else. | Economic dogma that survived the evidence. |
| faith | Belief held without or beyond proof. Uncountable for the attitude, countable for a religion: the world’s major faiths. | A matter of faith rather than argument. |
| scepticism | The disposition to doubt claims until they are supported. A method, not a belief. | Healthy scepticism about the figures. |
| atheism | The position that there is no god. A specific claim, and distinct from simply lacking belief. | He wrote openly about his atheism. |
British English spells it scepticism; American English writes skepticism. The word to place carefully is dogma — describing someone’s view as dogma is an argument against them, not a description of what they think, so in an essay it needs to be earned.
Fate, destiny and the argument between them
| Word | What it actually means | In a sentence |
|---|---|---|
| fate | What will happen and cannot be avoided. Usually neutral or ominous, and often personified. | He accepted his fate without complaint. |
| destiny | A future you are meant for. Warmer and often positive — something to be fulfilled rather than suffered. | She believed it was her destiny to teach. |
| free will | The capacity to choose otherwise. Two words, uncountable, and it is the position both of the above deny. | The debate turns on whether free will exists. |
| mortality | The condition of being subject to death. Also, in statistics, the death rate: infant mortality. | The illness forced him to confront his own mortality. |
The distinction between fate and destiny is one of temperature rather than logic — you suffer a fate and fulfil a destiny, though both deny that things could have gone otherwise. That denial is what free will stands against, and the opposing position is determinism.
Collocations that sound natural
Abstract nouns are the hardest to use idiomatically, because there is nothing concrete to picture. These pairings are the frames the words actually appear in.
free will
exercise free willthe question of free willfree will and determinismof your own free will
Of your own free will is a fixed legal-sounding phrase meaning without coercion.
introspection
deep introspectiona moment of introspectiongiven to introspection
Uncountable. The adjective is introspective, which describes a person, not a process.
illusion
under the illusion thatshatter an illusionan optical illusionno illusions about
The preposition after the verb is under: he was under the illusion that. Have no illusions about means to see something clearly.
purpose
a sense of purposepurpose in lifeserve a purposeon purpose
On purpose means deliberately and is unrelated to the abstract sense — a common source of confusion.
contradiction
a contradiction in termsflat contradictioncontradict yourselfinherent contradiction
A contradiction in terms names a phrase that undoes itself. The verb contradict takes a direct object with no preposition.
transcend
transcend boundariestranscend differencestranscend the ordinary
Takes a direct object and no preposition. It means to rise above or go beyond the limits of something.
Formal, neutral or informal?
Philosophy lends English many of its most abstract words, and several arrive with a second, looser life in ordinary speech. Two pairs on this list are near-homonyms with quite different meanings.
- humane vs humanConstantly confusedHuman means belonging to our species and is neutral: a human error. Humane means showing compassion, especially in avoiding suffering: humane treatment, a humane society. Humanity covers both — the species, and the quality of kindness.
- conscientiousNot "conscious"Careful, thorough and guided by conscience in doing your work. Unrelated in meaning to conscious, meaning awake or aware, though the two are frequently swapped. A conscientious objector refuses military service on moral grounds.
- metaphysicsTechnical vs looseIn philosophy, the study of what fundamentally exists — a rigorous field. In everyday use metaphysical has drifted towards meaning vaguely spiritual or mystical, which philosophers do not intend.
- righteousApproving · but watch the compoundMorally right, with a biblical flavour: righteous anger. Its compound self-righteous is entirely negative, so the two must not be blurred.
- profoundFormal · easily overusedVery great, or showing deep insight: a profound influence, a profound remark. Because it is a strong claim, applying it to anything mildly interesting weakens it.
- sacredReligious → figurativeRegarded as holy and not to be violated. Extended freely to anything treated as beyond question: a sacred principle, nothing is sacred.
- voidTwo sensesPhilosophically, empty space or nothingness — staring into the void. Legally, having no force: the contract is null and void. Also a verb meaning to cancel.
- absoluteNoun and adjectiveAs an adjective, complete or not qualified by anything: absolute truth. As a noun in philosophy, a principle that holds without exception: moral absolutes. Both are strong claims and neither is a general intensifier in formal prose.
Sentences to try
Four frames from philosophical writing. Check the verb agreement in the first one carefully.
- Ethics is concerned with what we ought to do.
- He argued the case with genuine conviction.
- The problem of free will remains unresolved.
- The argument rests on a paradox rather than a simple contradiction.
Questions about philosophy & ethics vocabulary
Is "ethics" singular or plural?
Both, depending on the meaning. As the name of the academic discipline it takes a singular verb: Ethics is a branch of philosophy. As a word for somebody’s actual moral standards it takes a plural verb: Her ethics are beyond question. The same split governs politics, statistics and economics — the subject is singular, the instances are plural. Philosophy, metaphysics and logic are singular in all uses.
What does "conviction" mean in English?
It has two distinct senses. The first is a firmly held belief or the strength of feeling behind it: a woman of strong political convictions, he spoke without conviction. The second is legal: a formal court decision that somebody is guilty of a crime: a conviction for theft, a spent conviction. Context always separates them. The related verb convict belongs only to the legal sense, while convince and convinced belong to the first.
What is a paradox?
A paradox is a statement or situation that appears to contradict itself but may nevertheless be true, or that produces an absurd result from reasoning that seems valid at every step. The classic example is the sentence This statement is false. It is not the same as a plain contradiction, where two claims simply cannot both be true and nothing further is revealed. In casual usage paradox often means merely a surprising combination, as in the paradox of choice, which is looser than the philosophical sense.