(figuratively) Ellipsis of bitter pill to swallow. / Used other than figuratively or idiomatically: see bitter, pill.

(informal) An imaginary medicine taken when excessively anxious or upset about a trivial matter.

A drug, such as mifepristone (Mifegyne), used to terminate a pregnancy in its earliest stage.

(US) Any of very many terrestrial crustaceans, of the family Armadillidiidae, a subgroup of the woodlice, that can roll themselves up into a protective ball.

(pharmacology) A pill or tablet having a soporific effect.

(informal) Any drug used to promote wakefulness, such as amphetamine.

(colloquial) An elevated neighborhood where there is a hospital or a large concentration of doctors' homes or offices.

Used other than figuratively or idiomatically: see pill, swallow. / Something to be accepted or tolerated.

(colloquial, often in imperative) To change one's attitude or expressed feeling.

(idiomatic, sometimes mildly humorous) A medicinal pill which is very large in size and is therefore difficult for a person to swallow.