1. 辛辣的：morbilli 麻疹 | mordacious 辛辣的 | mordacity 辛辣

2. 尖锐的,尖刻的：单调的,无聊的 Monotonous | 尖锐的,尖刻的 Mordacious | 即将结束的;垂死的 Moribund

adj

1. biting or given to biting

    e.g. they deliberately gave me a skittish and mordacious mount

2. capable of wounding

    e.g. a barbed compliment
           a biting aphorism
           pungent satire

    Synonym: barbedbitingnippingpungent