Menu
Vocabulary Grammar British vs American Describing Words Word Differences Rhyming Words Misspelled Words Idioms Words Instead Of Resume Words Fun & Interesting Words Quizzes Games
The Ultimate English Dictionary

Define Any Word,
Instantly

Explore clear definitions, pronunciations, etymologies, and example sentences. Your complete resource for mastering the English language.

Trending Lookups: Ephemeral • Serendipity • Ubiquitous
Know The Difference

Commonly Confused Words

Master the tricky pairs that trip up even native speakers.

Word Origins

Etymology Spotlight

The fascinating history behind the words we use every day.

Disaster

From Italian disastro, meaning "ill-starred." It combines the prefix "dis-" (bad) and "astro" (star). In ancient times, bad events were blamed on unfavorable planet alignments.

Italian Latin Greek

Salary

From Latin salarium, meaning "salt money." Roman soldiers were given an allowance to buy salt, a vital preservative in the ancient world.

Latin

Clue

Originally spelled "clew," meaning a ball of thread. In Greek mythology, Theseus used a "clew" to find his way out of the Minotaur's labyrinth.

Old English Greek Mythology

Muscle

From Latin musculus, meaning "little mouse." Ancient Romans thought the movement of a muscle under the skin looked like a mouse running.

Latin
A-Z Index

Browse by First Letter

Explore words that start with any letter of the alphabet.

Character Count

Browse by Word Length

Filter words by their exact length, perfect for crosswords and Wordle.

Starting Sequences

Browse by Prefix

Discover words that begin with common letter combinations.

Ending Sequences

Browse by Suffix

Find words that end with specific grammatical suffixes.

Full Dictionary

Browse All Words

Search through our complete database of published English words.

Test Your Knowledge

50-Question Word Quiz

Take this 50-question quiz to test your vocabulary knowledge.

1. Which sentence uses 'gaddish' correctly?

2. How is 'cabernet' pronounced in English?

3. What part of speech is the word 'Paas'?

4. In Spain, sábalo usually refers to which fish?

5. What color does zaffree produce after firing?

6. How is 'earlish' pronounced?

7. Which of the following phrases means to make a sarcastic or critical remark?

8. Which part of speech is 'gabioned'?

9. What was Naaman's nationality?

10. Chronic dacryoadenitis warrants evaluation for which type of underlying disease?

11. What does the word 'gabbiness' mean?

12. What is the adjective form of 'labia'?

13. Which grammatical structure is correct when 'dedicate to' is followed by an action?

14. Which discovery most inspired the mechanical view of the heart?

15. What is the modern descendant of the word 'ealderman'?

16. What part of speech is the word 'iambographer'?

17. Which term names yellow vision ALONE?

18. Which sentence shows dialectal use naturally?

19. Both spellings are pronounced how?

20. Which preposition correctly completes: 'This ring is very important ___ my mother.'

21. How is 'facedown' normally stressed?

22. What is the correct plural form of 'caballo' in English?

23. Is Qoheleth capitalized?

24. Besides lead oxen, what else can 'cabestros' refer to?

25. Which modern English word shares an ancient etymological root with 'raad'?

26. What does the verb 'caback' mean?

27. What is the current status of the Uarekena language?

28. From which language does 'eagre' originate?

29. Which of the following is a common collocation with 'power'?

30. Where does the word 'trust' originate from?

31. Which word is the best synonym for 'talent' when referring to a natural, almost spiritual ability?

32. Where does the primary stress fall in dacryops?

33. Where did Atellan farce, Maccus's home genre, begin?

34. A 'Pyrrhic victory' is one that...

35. What is the likely plural?

36. Where is the name Kadine best known?

37. Which pairing matches wabi's taste?

38. How many syllables does 'cabbing' have?

39. Which sentence uses 'cabbalistic' correctly as an adjective?

40. What do 'vaccines' count that 'vaccinations' does not?

41. Which sentence is factually correct?

42. Which modern word took over most of 'habitude's' work?

43. Which of the following is a grammatically correct use of 'abask'?

44. Where was the ancient Sabaean kingdom primarily located?

45. On which syllable is the primary stress placed in 'nabobical'?

46. From which verb is 'gabbler' derived?

47. Silk button making in Macclesfield grew into a full silk industry during which centuries?

48. How are dancers positioned during the Zabeta?

49. Where does the word 'maad' originate from?

50. How is 'jackbox' written when referring to the game studio?

FAQ

Dictionary Questions Answered

Lexicographers (dictionary writers) track word usage across books, newspapers, and the internet. When a new word is used consistently by a large number of people over a sustained period of time, it is officially added to the dictionary.

The symbols in slashes (like /ɪˈfɛm(ə)rəl/) represent the International Phonetic Alphabet (IPA). It's a standardized system used to show exactly how a word sounds, regardless of spelling, so you can pronounce it correctly even if you've only ever read it.

The main differences are spelling (color vs colour), pronunciation guides (using different IPA variants), and vocabulary (elevator vs lift). American dictionaries prioritize US usage, while British dictionaries prioritize UK usage, though both recognize global English.

Read widely across different genres, use flashcards for new words, practice using them in sentences, and engage in conversations. Consistency is key to retaining new vocabulary.

The longest word found in a major English dictionary is 'Pneumonoultramicroscopicsilicovolcanoconiosis', which has 45 letters. It refers to a lung disease caused by inhaling fine silica dust.