0 past simple and past participle of itch
1 to have or cause an uncomfortable feeling on the skin that makes you want to rub it with your nails:
Try not to scratch those spots, no matter how much they itch, or you'll make them bleed.
There's a mosquito bite on my ankle that is itching like crazy!
She won't wear that beautiful woollen jumper; she complains that it itches.
The latter condition might apply if, say, your nose itched.
For the first two years of his life he itched so intensely that he woke scratching several times a night and his physical and mental development was held back.
