(informal) An action that yields undesirable results to its subject.

(from Kantian philosophy on) A thing as it is independent of any conceptualization or perception by the human mind, postulated by practical reason but existing in a condition which is in principle unknowable and unexperienceable.

A political view that encompasses the longer-term as distinct from short-term objectives.

(informal) A polite reply to thank you. / An affirmative reply; yes; certainly.

(US) That which is certain.

Someone or something to be pitied

(informal) To be in a casual romantic relationship. / (informal, usually with "for") To have a crush on, or a soft spot for, someone.

(idiomatic) late in the day

present participle of be a thing

past participle of be a thing