SEALER Antonyms There are 6 antonyms of the word sealer. (opposite meanings)Did you mean?Definition of SEALERAlso try opposite words for..sealsealssealingBest Opposite Words For SEALERTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1openernounn2disclosernounn3exposernounn4releasernounn5revealerverb, nounv, n6unmaskernounn Alternatives for OPENER Words (19)beginnercatalystcreatorfirstforerunnerinitiatorinstigatorleaderoriginatorpioneerprecursorprogenitorstartertrailblazerinauguratorintroducerundoerunfasteneruntierOpposite words for opener Alternatives for EXPOSER Words (8)disclosedisplaymanifestrevealshowuncoverunmaskunveilOpposite words for exposer Alternatives for UNMASKER Words (7)detectorinformerdetectoristdiscloserdivulgerexposerrevealerOpposite words for unmasker