A plant with bitter, lentil-like seeds that are edible with special processing, but are now mostly fed to livestock, Vicia ervilia. / The heath pea (Lathyrus linifolius)

(figuratively) Something unpleasant that must be accepted or endured. / Used other than figuratively or idiomatically: see bitter pill, swallow.

plural of bitter pill to swallow

(idiomatic) To accept positive things with negative things.

(idiomatic) To accept or endure an unpleasant situation.

(rare) Alternative form of sugarcoat the pill

simple past tense and past participle of swallow a bitter pill

present participle of swallow a bitter pill

Third-person singular simple present indicative form of swallow a bitter pill

plural of bittersweet