/ Dictionary / Index A attain: Meaning and Definition of Find definitions for: at•tain Pronunciation: (u-tān'), [key] — v.t. to reach, achieve, or accomplish; gain; obtain: to attain one's goals. to come to or arrive at, esp. after some labor or tedium; reach: to attain the age of 96; to attain the mountain peak. —v.i. to arrive at or succeed in reaching or obtaining something (usually fol. by to or unto): to attain to knowledge. to reach in the course of development or growth: These trees attain to remarkable height. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: attain (Thesaurus) attagirl attainable Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language