蔓延 Traditional form: 蔓延 Pinyin (reading): mànyán Definitions: to extend to spread Characters: 蔓 - vine, tendril, creeper 延 - to defer, to delay, to postpone; to extend, to prolong; surname Traditional characters: 蔓 - vine, tendril, creeper 延 - to defer, to delay, to postpone; to extend, to prolong; surname