Below are possible answers for the crossword clue Sharp as a tack.
5 letter answer(s) to sharp as a tack
ACUTE
a mark (') placed above a vowel to indicate pronunciation
ending in a sharp point
extremely sharp or intense; "acute pain"; "felt acute annoyance"; "intense itching and burning"
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
having or experiencing a rapid onset and short but severe course; "acute appendicitis"; "the acute phase of the illness"; "acute patients"
of an angle; less than 90 degrees
of critical importance and consequence; "an acute (or critical) lack of research funds"
6 letter answer(s) to sharp as a tack
ASTUTE
clever
marked by practical hardheaded intelligence; "a smart businessman"; "an astute tenant always reads the small print in a lease"; "he was too shrewd to go along with them on a road that could lead only to their overthrow"
Sharp
4 letter answer(s) to sharp as a tack
KEEN
a funeral lament sung with loud wailing
express grief verbally; "we lamented the death of the child"
having a sharp cutting edge or point; "a keen blade"
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
intense or sharp; "suffered exquisite pain"; "felt exquisite pleasure"
painful as if caused by a sharp instrument; "a cutting wind"; "keen winds"; "knifelike cold"; "piercing knifelike pains"; "piercing cold"; "piercing criticism"; "a stabbing pain"; "lancinating pain"
very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing"
Other crossword clues with similar answers to 'Sharp as a tack'