OU Antonyms There are 9 antonyms of the word ou. (opposite meanings)Did you mean?Definition of OUAlso try opposite words for..outoutsouteroutedoutingBest Opposite Words For OUTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1acrossadverbadv2belowadverbadv3beneathadverbadv4in5nonadverbadv6overadverbadv7underadverbadv8withinadverbadv9ontoverbv Alternatives for ACROSS Words (6)beyondoverpastthroughcrosswayscrosswiseOpposite words for across Alternatives for BELOW Words (10)beneathunderunderneathinferiorlowernetherdownstairsdownstreamdownwardsinfraPhrases (4)at a lower placedown the stairson a lower floorto a lower placeOpposite words for below Alternatives for BENEATH Words (3)belowunderunderneathPhrases (2)at a lower placeto a lower placeOpposite words for beneath Alternatives for IN Words (5)inchindianaindiuminwardinwardsPhrases (2)atomic number 49hoosier stateAbbreviations (1)ind.Opposite words for in Alternatives for NON Words (1)notOpposite words for non Alternatives for OVER Words (4)completeconcludedendedterminatedPhrases (1)all overAbbreviations (1)o'erOpposite words for over Alternatives for UNDER Words (4)belowbeneathnetherunderneathOpposite words for under Alternatives for WITHIN Words (1)insideOpposite words for within