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Antonym Finder
Find opposites for common English words.
The type of opposition is named for each, because it decides what "not X" actually implies.
Quick Tool Overview
The Antonym Finder gives opposites for over two hundred common English words and names which kind of opposition each is — gradable, complementary or converse — because that determines whether "not hot" means cold. Antonyms are grouped by sense, since most words have several.
- What it does
- Finds opposites and names the type of opposition
- You give it
- A common English word
- You get back
- Antonyms grouped by sense, with the relationship explained
- Best for
- Precise word choice and language study
About the Antonym Finder
Opposites are less straightforward than they look, and the differences matter when you are choosing a word. "Hot" and "cold" are gradable opposites with a whole range between them. "Alive" and "dead" are complementary — there is no middle. "Buy" and "sell" are converses, the same event seen from two sides.
This finds antonyms for over two hundred common English words and names which kind of opposition each one is, because that determines whether a sentence like "not hot" means "cold". Where a word has several senses, the antonyms are grouped by sense — the opposite of "light" is "heavy" or "dark" depending entirely on which meaning you had. It is a curated offline set, so it covers common vocabulary and says so when a word is outside it.
Key features of the Antonym Finder
Opposition type named
Gradable, complementary or converse — which changes what a negation actually implies.
Grouped by sense
The opposite of "light" is "heavy" or "dark", and mixing the two would be useless.
Synonyms shown too
The synonyms of an antonym are frequently the word you were reaching for.
Honest about coverage
Most nouns have no opposite at all, and the page explains why rather than inventing one.
Entirely offline
The set is bundled with the page, so lookups send nothing anywhere.
How to use the Antonym Finder
-
1
Type a word
A common English word you want the opposite of.
-
2
Read the opposites
Grouped by sense, since most words have more than one meaning.
-
3
Check the opposition type
Gradable, complementary or converse — which changes what "not X" implies.
-
4
Look at the synonyms too
The synonyms of an antonym are often the word you were actually reaching for.
Frequently asked questions
Gradable pairs sit at the ends of a scale with room between, like hot and cold. Complementary pairs have no middle — alive and dead. Converses describe one relationship from two sides — buy and sell, above and below.
Because it decides what a negative means. "Not hot" does not mean cold, since warm sits between them. "Not alive" does mean dead, because there is nothing in between. Getting that wrong changes what a sentence says.
Because it has several meanings. The opposite of "light" is "heavy" for weight and "dark" for brightness, and the two are unrelated. That is why the antonyms are grouped by sense.
No. Most nouns do not — there is no opposite of "table" or "Tuesday". Antonyms belong mainly to adjectives, adverbs and a subset of verbs, which is what this set covers.
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