verb, -ized, -iz⋅ing.| 1. | to add or restore moisture to (something): to moisturize one's skin with lotion; to moisturize air. |
| 2. | to make something moist; counteract a dry condition with moisture: a skin cream that moisturizes while you sleep. |
| moisturise | |
verb | |
| make (more) humid; "We have a machine that humidifies the air in the house" [syn: humidify] [ant: dehumidify] |