profound

1 ENTRIES FOUND:
profound /prəˈfaʊnd/ adjective
profound
/prəˈfaʊnd/
adjective
Britannica Dictionary definition of PROFOUND
[more profound; most profound]
1 
a  : having or showing great knowledge or understanding
b  : difficult to understand : requiring deep thought or wisdom
2 
a  : very strongly felt
b  : very great
3 
somewhat formal : absolute or complete

— profoundly

adverb