Main Entry:

²thin

Function:

verb

Inflected Form(s):

thinned; thin·ning

Date:

before 12th century

transitive verb: to make thin or thinner: a: to reduce in thickness or depth : attenuate b: to make less dense or viscous c: dilute, weaken d: to cause to lose flesh <thinned by weeks of privation> e: to reduce in number or bulk intransitive verb1: to become thin or thinner2: to become weak