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Word a Day

rational

adjective · /ˈɹæʃənəl/ · Level 2 · Intermediate

What does rational mean?

rational (adjective): capable of reasoning.

Definition: Wiktionary, CC BY-SA 4.0.

How do you use rational in a sentence?

How do you pronounce rational?

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

Where does rational come from?

From Old French rationel, rational, from Latin rationalis (“of or belonging to reason, rational, reasonable; having a ratio”).

Etymology: Wiktionary, CC BY-SA 4.0.

What are antonyms of rational?

Words related to rational

From Princeton WordNet 3.1.

Test yourself: do you know “rational”?

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

What does “rational” mean?

having no deviations

Not quite: that's what straight means.

outside of something

Not quite: that's what external means.

capable of reasoning

Right! That's what “rational” means.

of great size, large

Not quite: that's what big means.

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