Breadcrumb Home > Thesaurus > S Synonyms of senile Find synonyms for: Adjective 1. doddering, doddery, gaga, senile, old (vs. young) usage: mentally or physically infirm with age; "his mother was doddering and frail" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of senile (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: demagogue Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language