/ mɔɪst; NAmE / adjective
slightly wet :
warm moist air
a rich moist cake
Water the plants regularly to keep the soil moist.
Her eyes were moist (= with tears) .
➡ note at wet
► moist·ness noun [ U ]
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WORD ORIGIN
late Middle English : from Old French moiste , based on Latin mucidus mouldy (influenced by musteus fresh, from mustum , neuter (used as a noun) of mustus new).