Added 9 October 2026 perfectible adjective Categories: Describing WordsRare Words adjective ! Definition from WordNet 3.1, Princeton University. More about perfectible at Wordnik → Where our words come from → Capable of becoming or being made perfect. Related Words: perfectperfectableimperfectiblebetterableperfectivemeliorableameliorableimprovablemakablefulfillablepurifiablebeautifiable Back to today's word