/ Thesaurus / D Synonyms of diagnostic program Find synonyms for: Noun1. diagnostic program, utility program, utility, service programusage: a program that recognizes and explains faults in the equipment or mistakes in a computer programWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language