जिसकी बुद्धि बहुत तीव्र या तेज़ हो।

तीक्ष्णबुद्धि मनोहर एक अच्छा खिलाड़ी है।
कुशाग्रबुद्धि, तीक्ष्णबुद्धि, तीव्रबुद्धि, प्रखरबुद्धि

Having or demonstrating ability to recognize or draw fine distinctions.

An acute observer of politics and politicians.
Incisive comments.
Icy knifelike reasoning.
As sharp and incisive as the stroke of a fang.
Penetrating insight.
Frequent penetrative observations.
acute, discriminating, incisive, keen, knifelike, penetrating, penetrative, piercing, sharp