/ Dictionary / Index W weird sisters: Meaning and Definition of Find definitions for: weird' sis'ters Pronunciation: [key] the Fates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. weirdo weirdy Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language