HEEDLESS Antonyms There are 6 antonyms of the word heedless. (opposite meanings)Did you mean?Definition of HEEDLESSSynonyms of HEEDLESSAlso try opposite words for..heedheedlessnessBest Opposite Words For HEEDLESSTop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1attentiveadjectiveadj2carefuladjectiveadj3cautiousadjectiveadj4mindfuladjectiveadj5waryadjectiveadj6heedfuladjectiveadj Alternatives for ATTENTIVE Words (15)heedfulmindfulalertawarecarefulcautiousconscientiousdiligentfocusedintentobservantvigilantwatchfulthoughtfulaudientPhrases (1)paying attentionOpposite words for attentive Alternatives for CAREFUL Words (18)deliberatealertattentivecautiouscircumspectconsiderateguardedmeticulousmindfulprudentscrupulousstrictthoughtfulvigilantwatchfulheedfulmeasuredthriftyOpposite words for careful Alternatives for CAUTIOUS Words (15)alertcarefulcircumspectconsideratediligentdiscreetguardedheedfulprudentrestrainedscrupulousvigilantwatchfulconservativetimidOpposite words for cautious Alternatives for MINDFUL Words (13)awarealertattentivecarefulcautiousconsciousconsiderateheedfulmindfulobservantthoughtfulvigilantwatchfulOpposite words for mindful Alternatives for WARY Words (12)carefulcautiousguardedleerysuspiciousalertwatchfulcircumspectscrupulouscharymistrustfuluntrustingOpposite words for wary Alternatives for HEEDFUL Words (10)attentivecarefulcautiousmindfulobservantvigilantwarywatchfuladvertentthoughtfulPhrases (1)paying attentionOpposite words for heedful