Undergird - definition of undergird by The Free Dictionary Define undergird undergird synonyms, undergird pronunciation, undergird translation, English dictionary definition of undergird tr v un·der·gird·ed or un·der·girt , un·der·gird·ing , un·der·girds To support or strengthen from beneath
undergird - Wiktionary, the free dictionary To strengthen, secure, or reinforce by passing a rope, cable, or chain around the underside of an object (figurative) To give fundamental support; provide with a sound or secure basis; provide supportive evidence for