Definition of: tidy

(tī′dē) adjective ·di·er, ·di·est
1. Marked by neatness and order; trim.
2. Of an orderly disposition.
3. Colloq. Moderately large; considerable: a tidy sum.
4. Colloq. Tolerable; fairly good. See synonyms under NEAT¹.
—v.t. & v.i. ti·died, ti·dy·ing To make (things) tidy; put (things) in order.
—noun plural ·dies A light, detachable covering, to protect the back or arms of a chair or sofa. [ME tidi <OE tīd time]
—ti′di·ly adverb
—ti′di·ness noun