ATOM Antonyms There are 10 antonyms of the word atom. (opposite meanings)Did you mean?Definition of ATOMSynonyms of ATOMAlso try opposite words for..atomicatomiseatomizeBest Opposite Words For ATOMTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1compoundverb, noun, adjectivev, n, adj2electronnounn3ionverb, nounv, n4moleculenounn5neutronnounn6nucleusnounn7particlenounn8protonnounn9quarknounn10subatomic particlenounn Alternatives for COMPOUND Words (30)blendcombinationcompositemixturealloyamalgamationcomplexconcoctionfusionsynthesiscombineagreeamalgamassembleaugmentcolonialdeepenformgaolheightenincreaseintensifyjailjoinmixpenpoundprisonsettleunitePhrases (3)compound wordchemical compoundput togetherOpposite words for compound Alternatives for ELECTRON Words (1)negatronOpposite words for electron Alternatives for MOLECULE Words (4)corpusclemoteparticlespeckOpposite words for molecule Alternatives for NUCLEUS Words (2)corekaryonPhrases (3)cell nucleuscore grouplens nucleusOpposite words for nucleus Alternatives for PARTICLE Words (22)corpusclemoleculemotespeckbitdotdribbledropletfleckflyspeckgrainiotajotmitenucleusounceparticlescrapscruplespotstonewhitPhrases (1)subatomic particleOpposite words for particle