adj. 1 neat, orderly, trim, shipshape, spruce, spick and span, clean, well-kept, well-groomed Change your clothes and come back when you're tidy 2 well-organized, organized, well-ordered, methodical, systematic, trim They refused to clean his office till he had made it tidy 3 respectable, sizeable, significant, considerable, substantial, good, goodly, good-sized, ample, large, big, fair, generous, not insignificant; Colloq not to be sneezed at They settled a tidy sum on their daughter when she was married
v. 4 Often, tidy up. neaten (up), straighten (out or up), clean (up), put in order, Colloq fix (up), spruce up, organize, reorganize, arrange, rearrange You can't watch television until you've tidied up your room Please tidy up the files by the end of the week.