/ Dictionary / Index A arm's-length: Meaning and Definition of Find definitions for: arm's-length Pronunciation: (ärmz'lengkth", -length"), [key] — adj. not closely or intimately connected or associated; distant; remote: an arm's-length relationship. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arm's-length (Thesaurus) armscye arms race Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language