penetrating
adj. C1 Advanced US //ˈpɛnəˌtɹeɪtɪŋ// UK //pˈɛnɪtɹˌeɪtɪŋ// pen·e·trat·ing
adj. showing a deep and quick understanding of something. It can also describe a look or a sound that seems to go right through you.
adj. demonstrating keen insight or intellectual depth; alternatively, describing a physical sensation or sound that is sharp and piercing. Often used to describe a gaze or a voice that commands attention.
She asked a penetrating question that made everyone think.
The detective gave the suspect a penetrating look that seemed to uncover every hidden secret.
His penetrating analysis of the economic crisis revealed structural flaws that most other experts had completely overlooked during the initial boom.
Usage
Often used to modify nouns related to the senses (look, gaze, voice) or the mind (insight, question, analysis).