Third-person singular simple present indicative form of sharpen.(verb)
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Use "sharpens" in a sentence
"At most, the phrase sharpens the wording of Article 42 on authorization for the Security Council to resort to force."
""From Honda's standpoint, it really kind of sharpens our spirit of competition," Mendel said."
"Blockade of the α7 nAChR 'sharpens' nicotine-evoked transients; therefore, we determined the effects of co-administration of nicotine and the α7 nAChR antagonist methyllycaconitine on dSAT performance."