(idiomatic) To imagine that one sees things that are not actually present; to have visual hallucinations. / Used other than figuratively or idiomatically: see see, thing.

(idiomatic) To imagine that one hears sounds that are not actually real; to have auditory hallucinations. / Used other than figuratively or idiomatically: see hear, thing.

A considerable amount; a lot.

An animate thing; something that lives, as opposed to being inanimate or dead.

(chiefly UK) Something done habitually or according to social norms, expectations, etc.

(idiomatic, usually preceded by the) The normal flow and rhythm of daily life or of activities in a specific field.

An informal greeting roughly equivalent to how are you?

It appears; it seems; apparently.

(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.