- untidy - not neat and tidy; "careless and untidy in her personal habits"; "an untidy living room"; "untidy and casual about money"
Antonyms: tidy, clean-cut, trig, neat, orderly, ruly, shipshape, trim, well-kept, slicked up, straight, uncluttered, unlittered
- untidy - careless and slovenly
Antonym: fastidious (indirect, via unfastidious)