to crush or grind (something) with the teeth: [~ + object]She was chewing gum.[no object]Don't chew with your mouth open.
to tear or mangle, as if by chewing: [~ + up + object]The sorting machine chewed up the letters.[~ + object + up]The machine just chewed them up.
[~ + object] to make by or as if by chewing: The puppy chewed a hole in the rug.
to think about; meditate on; consider at length: [~ + object (+ over)]to chew a problem over in one's mind.[ ~ (+ over) + obj]:The more you chew over this problem, the worse it will seem.[~ + on + object]He chewed on it briefly, then spoke up.
chew out,Slang. to scold harshly: [~ + out + object]The boss chewed out the sales manager.[~ + object + out]She really chewed him out for that.