- that can penetrate: a penetrating oil
- sharp; piercing: a penetrating sound or smell
- keen or acute; discerning: a penetrating mind
- Able or seeming to penetrate: The penetrating odor of garlic soon filled the entire apartment.
- Keenly perceptive or understanding; acute: The lecture provided penetrating insight into foreign affairs.
(comparative more penetrating, superlative most penetrating)
- Present participle of penetrate.