Antonyms & Synonyms Vocabulary

Antonyms & Synonyms Vocabulary shows the synonyms and antonyms of 16,500+ English words side by side, each with its meaning, pronunciation and example sentences — and it all works offline. Look up a word, see words with the same meaning in green and opposite words in coral, and tap any of them to jump to that word.
Whether you are building your English vocabulary for competitive exams (bank and entrance exams, school and college tests, IELTS, TOEFL), writing an essay or just looking for a better word, this synonyms and antonyms app gives you the right word in a second.
NEW IN 5.0.0
A completely new app: a new word list of 16,500+ English words with their best synonyms and antonyms, Easy / Medium / Hard levels, 16 topic categories, phrasal verbs, four quiz types, Exam Mode, flashcards, Word of the Day and dark mode.
SYNONYMS AND ANTONYMS SIDE BY SIDE
- 16,500+ English words with meaning and part of speech
- Up to 8 synonyms and 6 antonyms (opposite words) per word, the most useful first
- 9,300+ words with clear opposite words
- Other meanings of a word, each with its own synonyms and antonyms
- Pronunciation (IPA) for 15,000+ words, Listen and Slow listen
- 12,000+ example sentences with the word highlighted
- Search by a word or by a synonym: type "glad" and also find happy, cheerful and joyful
OPPOSITE WORDS MADE EASY
Learn opposite words in pairs — ancient and modern, generous and mean, permanent and temporary. The tips page explains how prefixes such as un-, dis-, in- and il- make opposite words, and when they do not.
VOCABULARY FOR EXAMS
Synonym and antonym questions come up in almost every English test. Practise them the way exams ask them:
- Synonyms: choose the word with the same meaning
- Antonyms: choose the opposite word (watch out — one option is often a synonym!)
- Odd One Out: three synonyms and one antonym
- Opposite Pairs: hot : cold :: fast : ?
- Quiz by level or by category, with the synonyms and antonyms after each answer
- Word Challenge: 10 timed rounds
- Exam Mode: 50 questions in 25 minutes, answers at the end
- My Mistakes: practise your wrong answers until you get them right
16 CATEGORIES
Emotions & Feelings, Character & Behaviour, Size & Quantity, Speed & Time, Work & Money, Mind & Knowledge, Speech & Communication, Body & Health, Nature & Weather, Movement & Action, Good & Bad, People & Relationships, Power & Conflict, Look & Senses, Easy & Difficult and Everyday Words — plus 950+ phrasal verbs with one-word synonyms (give up = quit).
LEARN A LITTLE EVERY DAY
Word of the Day with its synonyms and antonyms, a daily goal, streaks and badges, saved words and flashcards with spaced repetition.
MORE
- 100% offline: English words with meaning, synonyms, antonyms, quizzes and flashcards work without internet
- Share any word as a picture card
- Dark mode
- Watch one short video to use the app ad-free for 15 minutes
Antonyms & Synonyms Vocabulary is the quick way to find the right word, learn opposite words and grow your English vocabulary for exams — free and offline.

Actualización de Antonyms Synonyms 5.0.0

What's new in 5.0.0:
- New app: 16,500+ words with synonyms & antonyms
- Meaning, pronunciation and example sentences
- Search by a word or a synonym
- 16 categories, 950+ phrasal verbs, 3 levels
- Synonym, antonym, odd-one-out & pair quizzes
- Exam Mode, flashcards, Word of the Day
- New design, dark mode, works offline