1. (adj)
knifelike
- cutting or able to cut as if with a knife Synonyms: penetrating, piercing, lancinate, keen, incisive, penetrative, sharp, cutting, acute, stabbing, lancinating, discriminating
2. (adj)
acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp
- having or demonstrating ability to recognize or draw fine distinctions Synonyms: intense, penetrative, discriminating, shrill, neat, sharp, shrewd, lancinating, nifty, sharp-worded, not bad(p), bang-up, astute, incisive, acuate, dandy, tart, smashing, cutting, bully, precipitous, needlelike, slap-up, abrupt, keen, lancinate, knifelike, corking, exquisite, groovy, great, acute, piercing, penetrating, swell, cracking, crisp, stabbing, peachy