Added 9 October 2026
aptness
/ˈæptnəs/ noun
In Latin: calliditās, commoditās, dexteritās Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about aptness at Wordnik → Where our words come from →
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A disposition to behave in a certain way.
the aptness of iron to rust
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Appropriateness for the occasion.
the phrase had considerable aptness