/ Thesaurus / S Synonyms of serious minded Find synonyms for: Adjective1. thoughtful, serious-minded, serious (vs. frivolous)usage: acting with or showing thought and good sense; "a sensible young man"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language