imp. of slee, to slay. slew.-moving a short space in a relatively long time; not swift; not quick in motion; not rapid; moderate; deliberate; as, a slow stream; a slow motion.-not happening in a short time; gradual; late.-not ready; not prompt or quick; dilatory; sluggish; as, slow of speech, and slow of tongue.-not hasty; not precipitate; acting with deliberation; tardy; inactive.-behind in time; indicating a time earlier than the true time; as, the clock or watch is slow.-not advancing or improving rapidly; as, the slow growth of arts and sciences.-heavy in wit; not alert, prompt, or spirited; wearisome; dull.-slowly.-to render slow; to slacken the speed of; to retard; to delay; as, to slow a steamer.-to go slower; -- often with up; as, the train slowed up before crossing the bridge.-a moth.