/ Dictionary / Index W weak side: Meaning and Definition of Find definitions for: weak' side" Pronunciation: [key] — Football. Football. the side of the offensive line opposite the side with the tight end, thereby the side having the smaller number of players. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. weak safety weak sister Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language