profound

• "the differences are profound"
• "a profound insight"
• "a profound book"
• "a profound mind"
• "profound contempt"
• "profound regret"

• "complete"
• "a profound silence"
• "a state of profound shock"

• "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"

Synonyms

• fundamentalany factor that could be considered important to the understanding of a particular business; the lowest tone of a harmonic series ; serving as an essential component; being or involving basic facts or principles; far-reaching and thoroughgoing in effect especially on the nature of something

• "a profound sigh"

• "a heavy sleep"
• "fell into a profound sleep"
• "a sound sleeper"
• "deep wakeless sleep"

Synonyms

• heavyslowly as if burdened by much weight; an actor who plays villainous roles ; a serious (or tragic) role in a play ; of comparatively great physical weight or density; unusually great in degree or quantity or number; of the military or industry; marked by great psychological weight; usually describes a large person who is fat but has a large frame to carry it ; (used of soil) compact and fine-grained; darkened by clouds; of great intensity or power or force; (physics, chemistry) being or containing an isotope with greater than average atomic mass or weight; (of an actor or role) being or playing the villain; permitting little if any light to pass through because of denseness of matter; of relatively large extent and density; made of fabric having considerable thickness; prodigious; full and loud and deep; given to excessive indulgence of bodily appetites especially for intoxicating liquors; of great gravity or crucial import; slow and laborious because of weight; large and powerful; dense or inadequately leavened and hence likely to cause distress in the alimentary canal; sharply inclined; full of; requiring or showing effort; characterized by effort to the point of exhaustion; lacking lightness or liveliness; (of sleep) deep and complete; in an advanced stage of pregnancy
• soundappear in a certain way; make a certain noise or sound; give off a certain sound or sounds; announce by means of a sound; utter with vibrating vocal chords ; cause to sound; measure the depth of (a body of water) with a sounding line ; the particular auditory effect produced by a given cause; the subjective sensation of hearing something; mechanical vibrations transmitted by an elastic medium; the sudden occurrence of an audible event; the audible part of a transmitted signal; (phonetics) an individual sound unit of speech without concern as to whether or not it is a phoneme of some language ; a narrow channel of the sea joining two larger bodies of water ; a large ocean inlet or deep bay; financially secure and safe; exercising or showing good judgment; in good condition; in excellent physical condition; logically valid; having legal efficacy or force; vigorous or severe; free from moral defect; (of sleep) deep and complete; complete
• wakeless(of sleep) deep and complete

• "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"

Synonyms

• unfathomedsituated at or extending to great depth
• unplumbedsituated at or extending to great depth
• unsoundedsituated at or extending to great depth; not made to sound