- uncluttered, unlittered - having nothing extraneous; "an uncluttered room"; "the unlittered shoulders of the road"
Antonym: untidy (indirect, via tidy)
- unclutter, clear - rid of obstructions; "Clear your desk"
--1 is one way to change, alter, modify
Antonyms: clutter, clutter up
Sample sentences:
Somebody ----s something
Something ----s something