fierce /fiəs/ adj. 1. 激烈：a fierce debate 一场激烈的辩论；make a fierce speech 发表一篇激动人心的讲话［考句］ Owning to fierce competition among the airlines, travel expenses have been reduced considerably.由于航空公司的激烈竞争，旅游费用已大大下降。2.猛烈，凶猛：a fierce animal 一只凶猛的动物The wind was so fierce (that) we could hardly stand up. 风如此猛烈，我们几乎站不起来。My grandfather became fierce when he lost his temper. 我爷爷发脾气时是很凶的。