Adjective profound has 6 senses
  1. profound - showing intellectual penetration or emotional depths; from the depths of your being; "the differences are profound"; "a profound insight"; "a profound book"; "a profound mind"; "profound contempt"; "profound regret"
    Antonyms:
    superficial, apparent, ostensible, seeming, dilettante, dilettantish, dilettanteish, sciolistic, facile, glib, looking, sounding, shallow
  2. profound - of the greatest intensity; complete; "a profound silence"; "a state of profound shock"
    Antonym:
    mild (indirect, via intense)
  3. fundamental, profound - far-reaching and thoroughgoing in effect especially on the nature of something; "the fundamental revolution in human values that has occurred"; "the book underwent fundamental changes"; "committed the fundamental error of confusing spending with extravagance"; "profound social changes"
    Antonyms: insignificant, unimportant (indirect, via significant)
  4. profound - coming from deep within one; "a profound sigh"
    Antonym:
    shallow (indirect, via deep)
  5. heavy, profound, sound, wakeless - (of sleep) deep and complete; "a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"
    Antonym: shallow (indirect, via deep)
  6. profound, unfathomed, unplumbed, unsounded - situated at or extending to great depth; too deep to have been sounded or plumbed; "the profound depths of the sea"; "the dark unfathomed caves of ocean"-Thomas Gray; "unplumbed depths of the sea"; "remote and unsounded caverns"
    Antonym: shallow (indirect, via deep)
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