moiste, from Latin mucidus 'wet and slippery', from mucus; MUCUS
slightly wet, especially in a way that is pleasant or suitable:
Make sure the soil is moist before planting the seeds.
a rich, moist chocolate cake
warm moist air
Her eyes were moist (=she was almost crying).
WORD CHOICE: WORD CHOICE: damp, moist, humidUse damp especially to say that something is slightly wet in an unpleasant way• The room was cold and damp.Use moist to say that something is slightly wet in a pleasant way or in the way it should be• She took a mouthful of the delicious moist cake. • rich, moist soilUse humid to talk about the weather or the air when it is slightly wet and makes you feel uncomfortable• the hot humid atmosphere of a greenhouse ➔ See alsodampWORD FOCUS: wet WORD FOCUS: wet very wet:soaked, drenched a little wet:damp, moist wet and soft:soggy when the air feels wet:humid, damp, muggy ➔ See alsowet
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.