LIGHTLY Antonyms There are 8 antonyms of the word lightly. (opposite meanings)Did you mean?Definition of LIGHTLYSynonyms of LIGHTLYAlso try opposite words for..lightedlighterlightestlightinglightnessBest Opposite Words For LIGHTLYTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1heavilyadverbadv2deeplyadverbadv3firmlyadverbadv4forcefullyadverb, adjectiveadv, adj5gravelyadverb, adjectiveadv, adj6intenselyadverbadv7seriouslyadverbadv8severelyadverb, adjectiveadv, adj Alternatives for HEAVILY Words (16)austerelydeeplygreatlyharshlyintenselymightilypowerfullyseriouslyseverelysignificantlystronglythoroughlyweightilyhardheavyintemperatelyPhrases (1)to a great extentOpposite words for heavily Alternatives for DEEPLY Words (9)intenselyprofoundlydecidedlyextremelygreatlykeenlypassionatelyseverelydeepOpposite words for deeply Alternatives for FIRMLY Words (13)securelysteadfastlyfirmlyimmovablyresolutelysolidlystronglytightlyunswervinglyunyieldinglyfirmhardunwaveringlyOpposite words for firmly Alternatives for FORCEFULLY Words (11)aggressivelyassertivelycompellingdynamicallyenergeticallyforciblymightilypotentlypowerfullystronglyvigorouslyOpposite words for forcefully Alternatives for GRAVELY Words (8)seriouslyseverelycriticallyearnestlysolemnlybadlysoberlystaidlyOpposite words for gravely Alternatives for INTENSELY Words (9)deeplyprofoundlyacutelyextremelygreatlyhighlyimmenselypassionatelysharplyOpposite words for intensely Alternatives for SERIOUSLY Words (7)gravelygenuinelysincerelytrulybadlyearnestlyseverelyPhrases (1)in earnestOpposite words for seriously Alternatives for SEVERELY Words (13)sternlyfirmharshharshlyrigorouslystrictstrictlystringenttoughbadlygravelyhardseriouslyOpposite words for severely