profound

adjectives

showing intellectual penetration or emotional depth
"the differences are profound"; "a profound insight"; "a profound book"; "a profound mind"; "profound contempt"; "profound regret"
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antonym
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marked by depth of thinking
"deep thoughts"; "a deep allegory"
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having intellectual depth
"a deeply thoughtful essay"
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possessing or displaying a distinctive feature to a heightened degree
"intense heat"; "intense anxiety"; "intense desire"; "intense emotion"; "the skunk's intense acrid odor"; "intense pain"; "enemy fire was intense"
see also
characteristic of scholars or scholarship
"scholarly pursuits"; "a scholarly treatise"; "a scholarly attitude"
of the greatest intensity; complete
"a profound silence"; "a state of profound shock"
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possessing or displaying a distinctive feature to a heightened degree
"intense heat"; "intense anxiety"; "intense desire"; "intense emotion"; "the skunk's intense acrid odor"; "intense pain"; "enemy fire was intense"
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"
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coming from deep within one
"a profound sigh"
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relatively deep or strong; affecting one deeply
"a deep breath"; "a deep sigh"; "deep concentration"; "deep emotion"; "a deep trance"; "in a deep sleep"
(of sleep) deep and complete
"a heavy sleep"; "fell into a profound sleep"; "a sound sleeper"; "deep wakeless sleep"
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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"
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