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Synonyms for Piercing (same or very similar meaning)

WordNet sense 1 (having or demonstrating ability to recognize or draw fine distinctions):
acute, discriminating, incisive, keen, penetrating, penetrative, knifelike

WordNet sense 2 (having the ability to perceive or understand; keen in discernment):
perceptive

WordNet sense 3 (having or emitting a high-pitched and sharp tone or tones ):
shrill

WordNet sense 4 (used of sounds and voices; high in pitch or frequency):
high

WordNet sense 5 (as physically painful as if caused by a sharp instrument):
cutting, stabbing, lancinate, lancinating

WordNet sense 6 (keenly and painfully felt; as if caused by a sharp edge or point):
sharp

WordNet sense 7 (having an unpleasant sound):
cacophonous, cacophonic


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