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Added 9 October 2026

humidity

/hjuːˈmɪd.ə.ti/ noun

Latin root: hūmiditās Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about humidity at Wordnik → Where our words come from →

Dampness, especially that of the air.
The high humidity made the air feel sticky and hot.
The amount of water vapour in the air.
Plants in the greenhouse thrive in constant humidity.

Origin

From Middle English humidite, borrowed from Old French humidité, from Medieval Latin hūmiditās, from Latin ūmidus (“damp, moist, wet”). By surface analysis, humid + -ity.

From Wiktionary, via Kaikki.org (CC BY-SA)

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