GUI Antonyms There are 2 antonyms of the abbr gui. (opposite meanings)Did you mean?Definition of GUIAlso try opposite words for..guideguidesguidedguidingguidanceBest Opposite Words For GUITop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1terminalnounn2command linenounn Alternatives for TERMINAL Words (16)finalconcludingendendmostlastclosingendingeventualextremitysupremeultimateutmostdepotlatepoleterminusOpposite words for terminal