Humid vs. Moist — What's the Difference?

Marked by a relatively high level of water vapour in the atmosphere

Slightly wet; damp

Containing or characterized by a high amount of water or water vapor

Humid

Containing perceptible moisture (usually describing air or atmosphere); damp; moist; somewhat wet or watery.

Characterized by considerable rainfall; rainy

Containing sensible moisture; damp; moist; as, a humidair or atmosphere; somewhat wet or watery; as, humid earth; consisting of water or vapor.

Juicy or succulent; not dried out

Containing or characterized by a great deal of water vapor;

Tearful

Characterized by the presence of moisture; not dry; slightly wet; damp.

Of eyes: wet with tears; tearful; also (obsolete), watery due to some illness or to old age.

Of a climate, the weather, etc.: damp, humid, rainy.

(informal) Of the vagina: sexually lubricated due to sexual arousal; of a woman: sexually aroused, turned on.

(medicine)

Characterized by the presence of some fluid such as mucus, pus, etc.

Of sounds of internal organs (especially as heard through a stethoscope): characterized by the sound of air bubbling through a fluid.

Pertaining to one of the four essential qualities formerly believed to be present in all things, characterized by wetness; also, having a significant amount of this quality.

(obsolete)

Fluid, liquid, watery.

Bringing moisture or rain. a. 14th – 18th c.}}

Moistness; also, moisture.

(transitive)

To make (something) moist or wet; to moisten.

To inspire, to refresh (someone); also, to soften (one's heart).

(intransitive)

(US) To rain lightly; to drizzle.

(obsolete) To have an effect of moistening or wetting.

Moderately wet; damp; humid; not dry; as, a moist atmosphere or air.

Fresh, or new.

To moisten.

Slightly wet;