| Noun | 1. | itch - a contagious skin infection caused by the itch mite; characterized by persistent itching and skin irritation; "he has a bad case of the itch"infection - the pathological state resulting from the invasion of the body by pathogenic microorganisms | |
| 2. | itch - a strong restless desire; "why this urge to travel?"desire - the feeling that accompanies an unsatisfied state | |
| 3. | itch - an irritating cutaneous sensation that produces a desire to scratchpruritus - an intense itching sensation that can have various causes (as by allergies or infection or lymphoma or jaundice etc.) | |
| Verb | 1. | itch - scrape or rub as if to relieve itching; "Don't scratch your insect bites!"irritate - excite to an abnormal condition, of chafe or inflame; "Aspirin irritates my stomach" | |
| 2. | itch - have or perceive an itch; "I'm itching--the air is so dry!"tickle, titillate, vellicate - touch (a body part) lightly so as to excite the surface nerves and cause uneasiness, laughter, or spasmodic movements | |
| 3. | itch - have a strong desire or urge to do something; "She is itching to start the project"; "He is spoiling for a fight"desire, want - feel or have a desire for; want strongly; "I want to go home now"; "I want my own room" | |