BIDDER Antonyms There are 4 antonyms of the word bidder. (opposite meanings)Did you mean?Definition of BIDDERSynonyms of BIDDERAlso try opposite words for..bidbidsbiddersBest Opposite Words For BIDDERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1obserververb, nounv, n2onlookernounn3sellernounn4spectatornounn Alternatives for OBSERVER Words (8)beholderonlookerspectatorviewerwatchercommentatorperceiverpercipientOpposite words for observer Alternatives for ONLOOKER Words (8)bystanderlooker-onobserverspectatorviewerwatcherwitnessgazerOpposite words for onlooker Alternatives for SELLER Words (19)marketervendoragentbrokerdealerdistributorhawkermerchantpeddlerpedlarpurveyorretailersalesmansalespersonsaleswomansuppliertradertraffickervenderOpposite words for seller Alternatives for SPECTATOR Words (8)observerviewerwatcherwitnessonlookeraudiencecrowdlookerPhrases (1)spectator pumpOpposite words for spectator