waylayEnglishOxford American Thesauruswaylay verb 1 we were on our way to Winchester when we were waylaid and robbed: ambush, hold up, attack, assail, rob; lie in wait for, lay a trap for, trap, entrap; informal mug, stick up. 2 a series of people waylaid her to chat before she was out of the room: accost, detain, intercept, take aside, stop and talk to, pounce on, swoop down on, importune; informal buttonhole.