GROUND FIR Antonyms There are 3 antonyms of the phrase ground fir. (opposite meanings)Did you mean?Definition of GROUND FIRSynonyms of GROUND FIRBest Opposite Words For GROUND FIRTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1airverb, nounv, n2skynounn3spacenounn Alternatives for AIR Words (28)atmospherebreezebreathcurrentdraftwaftwindauraaerateairwaveaviationbarebeambroadcastgasliftlinemelodynimbuspublicisepublicizesendstraintransmittuneventventilatezephyrPhrases (5)air outair travelgentle windmelodic linemelodic phraseOpposite words for air Alternatives for SKY Words (13)firmamentatmospherebluecelestialetherheavensvaultwelkinflipheavenliftpitchtossPhrases (1)celestial sphereOpposite words for sky Alternatives for SPACE Words (28)distancegaproomareabreadthcavitydomainexpanseextentrealmspherestretchterritoryuniversevoidblankplacequadbreakdurationetherinfinitespanspellspotvolumewhilequadratPhrases (4)outer spaceblank spaceleisure timespare timeOpposite words for space