shrinks; shrank /ˈʃræŋk/ or shrunk /ˈʃrʌŋk/ ; shrunk or shrunken /ˈʃrʌŋkən/ ; shrinking
1a [no object] : to become smaller in amount, size, or value
The sweater shrank when it was washed.
Meat shrinks as it cooks.
The town's population shrank during the war.
b [+ object] : to make (something) smaller in amount, size, or value
Hot water shrank the sweater.
The treatment should shrink the tumor.
2 always followed by an adverb or preposition, [no object] : to quickly move away from something shocking, frightening, or disgusting
He shrank in horror when he saw the dead cat.