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Word a Day

fast

adjective · /fæst/ · Level 1 · Starter

What does fast mean?

fast (adjective): moving with great speed, or capable of doing so; swift, rapid; light.

Definition: Wiktionary, CC BY-SA 4.0.

How do you pronounce fast?

/fæst/ (IPA, American English). The app reads every word aloud.

Where does fast come from?

From Middle English fast, fest, from Old English fæst (“firm, secure”).

Etymology: Wiktionary, CC BY-SA 4.0.

What are antonyms of fast?

Words related to fast

From Princeton WordNet 3.1.

Test yourself: do you know “fast”?

Tap an answer to check it. The same questions the app asks.

What does “fast” mean?

necessary (for someone) as a duty or responsibility; morally binding

Not quite: that's what incumbent means.

experiencing or marked by or causing sadness or sorrow or discontent

Not quite: that's what unhappy means.

moving with great speed, or capable of doing so; swift, rapid; light

Right! That's what “fast” means.

being the only one of its kind; unequaled, unparalleled or unmatched

Not quite: that's what unique means.

Learn a word like “fast” every day

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