/ Dictionary / Index A aptitude: Meaning and Definition of Find definitions for: ap•ti•tude Pronunciation: (ap'ti-td", -tyd"), [key] — n. capability; ability; innate or acquired capacity for something; talent: She has a special aptitude for mathematics. readiness or quickness in learning; intelligence: He was placed in honors classes because of his general aptitude. the state or quality of being apt; special fitness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aptitude (Thesaurus) apteryx aptitude test Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language