tajam(cerucup, lancip, rancap, rancung, runcing, tuding, galak, garang, sengit, bengis, berbisa, bersanding, calak, cempala mulut, cencala, keras, ketus, lancang mulut, menusuk, menyakitkan, menyengat, nyelekit, pedas, drastis, intens, kuat, mencolok, brilian, cemerlang, cendekia, cerdas, cerdik, encer, genial, genius, intelek, inteligen, lantip, pandai, perseptif, pintar, ringan kepala, tajam otak, terang akal, kontras)