Third-person singular simple present indicative form of itch.(verb)
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Use "itches" in a sentence
"Another of your books to take me away from the hospital environs ... my skin itches like a cat or wolf trying to escape in excitement!!"
"But there is a song that inevitably makes me so depressed and uncomfortable for the next half an hour that my skin itches — it's the Schindler's List of songs."
"Oh, sure, they make you smell nice for awhile, but then your skin itches and your pits still stink after an hour."