tīkṣṇa

tīkṣṇa

pungent — SB 3.31.7
sharp — SB 8.10.35, Ādi 3.73

tīkṣṇa-cittām

having a very fierce heart for killing the child — SB 10.6.9

tīkṣṇa-tuṇḍaḥ

sharp beak — SB 10.11.48