/ Dictionary / Index A alieni juris: Meaning and Definition of Find definitions for: a•li•e•ni ju•ris Pronunciation: (ā"lī-ē'nī joor'is, ā"lē-), [key] — Law. Law. under the control of another, as a lunatic or infant. Cf. sui juris. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alieni generis* alienism Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language