1) Better at picking things up 2) Comparatively considerable 3) Comparatively neat 4) In better order 5) Less cluttered 6) Less messy 7) Less of a mess 8) More neat 9) More orderly 10) More trim 11) Neater 12) One who cleans up 13) Trimmer Found on https://www.crosswordclues.com/clue/tidier