underlie underlid • underlier · · · Info · Definitions · Characters · · underlie · · Text Latin · · Script 8 · · Length Definitions · · · (verb) be or form the base for. · · Verb Definition 1 (verb) lie underneath. · · Verb Definition 2 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075