Piercing (4)
'piercing' is the definition.
(I know that piercing can be written as acute)
This is all the clue.
(Other definitions for acute that I've seen before include "Keen; severe" , "Very perceptive, having sharp mind" , "Penetrating; accent" , "Critical, serious" , "Keen, good or sharp, senses say" .)
'piercing' is the definition.
(perforating is a kind of piercing)
This is the entire clue.
'piercing' is the definition.
(synonyms)
This is all the clue.
(Other definitions for shrill that I've seen before include "(Of a cry) piercing" , "High and piercing" , "Strident" , "Of sound, piercing and high-pitched" , "Ear-piercing" .)
'piercing' is the definition.
(I know that piercing can be written as keen)
This is the entire clue.
(Other definitions for keen that I've seen before include "mourn for the departed" , "Acute" , "Sharp - avid" , "Anxious" , "Fervent" .)
'piercing' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for pointed that I've seen before include "Rudely indicated" , "With a tapered tip" , "Barbs" , "Sharp-ended" , "Aculeate" .)