trenchant

characterized by or full of force and vigor; having keenness and forcefulness and penetration in thought, expression, or intellect

Jill presented a rather superficial treatment of sales in Asia, but her trenchant analysis of sales in Europe inspired a number of insights into how to proceed in that market.

General Schenck did not appear to differ greatly from Davis, but what he said was in short, trenchant sentences, interjected from time to time.

Bolton's assessment of Persian duplicity and his skepticism about the NIE recalls another trenchant comment by Rumsfeld on the nature of reports, that "Reports that say that something hasn't happened are always interesting to me, because as we know, there are known knowns ... but there are also unknown unknowns, the ones we don't know we don't know."

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