/ Dictionary / Index C cousinly: Meaning and Definition of Find definitions for: cous•in•ly Pronunciation: (kuz'un-lē), [key] — adj. like or befitting a cousin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cousinly (Thesaurus) Cousin Jack cousinry Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language