"quick, energetic," 1825, from snap (v.) + -y (2). Meaning "clever, smart" is from 1871; that of "neat and stylishly elegant" is from 1881. Related: Snappily; snappiness. Command make it snappy attested from 1910.
权威例句
1. He wasn't irritable or snappy or anything, just slightly perplexed.
他并不是爱发火或爱起急什么的,他只是有点困惑。
2. She has already made a name for herself as a snappy dresser.