neat, orderly, or trim, as in appearance or dress

a tidy room; a tidy person.

clearly organized and systematic

a tidy mind; a tidy way of working.

tolerably good; acceptable

They worked out a tidy arrangement agreeable to all.

fairly large; considerable

a tidy sum.

to make tidy or neat (often fol. by up ).

any of various articles for keeping things tidy, as a box having small drawers and compartments.

an antimacassar.