noun
plural pills
[count] a small, rounded object that you swallow and that contains medicine, vitamins, etc.
b the pill :a pill that a woman takes so that she will not become pregnant :a contraceptive in pill form
US informal :an annoying person - usually singular
(a) bitter pill (to swallow)
sugar/sweeten the pill
to make an unpleasant thing less difficult to accept or deal with
verb
pills; pilled; pilling
[no obj] of a sweater, fabric, etc. :to begin to have small balls of fiber on the surface usually after having been worn or used many times