lifeblood life-yielding • lifeboat · · · Info · Definitions · Characters · · lifeblood · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) the blood considered as the seat of vitality. · · Noun Definition 1 (noun) an essential or life-giving force. Example: "Water is the lifeblood of india." · · Noun Definition 2 Characters · · b latin small letter b U+0062 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F