Added 10 October 2026 applier noun Categories: PeopleThingsObscure Words noun ! Definition from Wiktionary (CC BY-SA). More about applier at Wordnik → Where our words come from → A person or device that applies something. Related Words: applicantapplicatorappliquerinkerapplotterimplementerlubricatoradapterappropriatorlabelercandidateaddresser Back to today's word