Synonyms of the word

penetrative

• adj. Of, pertaining to, or involving penetration.
• adj. Having the ability to penetrate.
• adj. Displaying insight or discrimination; acute.

acute

• adj. Urgent.
• adj. Sensitive.
• adj. Short, quick, brief.
• adj. (geometry) Of an angle, less than 90 degrees.
• adj. (geometry) Of a triangle, having all three interior angles measuring less than 90 degrees.
• adj. (botany) With the sides meeting directly to form an acute angle (at a apex or base).
• adj. (medicine) Of an abnormal condition of recent or sudden onset, in contrast to delayed onset; this sense…
• adj. (medicine) Of a short-lived condition, in contrast to a chronic condition; this sense also does not imply…
• adj. (orthography, after a letter) Having an acute accent.
• adj. High or shrill.
• n. (orthography) An acute accent.
• n. A person who has the acute form of a disorder, such as schizophrenia.
• v. (phonetics) To give an acute sound to.

discriminating

• adj. Able to perceive fine distinctions between similar things; perceptive.
• adj. Having a discerning judgment or taste.
• v. present participle of discriminate.

incisive

• adj. Quickly proceeding to judgment and forceful in expression; decisive; forthright.
• adj. Intelligently analytical and concise.
• adj. Having the quality of incising, cutting, or penetrating, as with a sharp instrument; sharp; acute; sarcastic;…
• adj. (anatomy) Of or relating to the incisors.

keen

• adj. Often with a prepositional phrase, or with to and an infinitive: showing a quick and ardent responsiveness…
• adj. Fierce, intense, vehement.
• adj. Having a fine edge or point; sharp.
• adj. Acute of mind, having or expressing mental acuteness; penetrating, sharp.
• adj. Acrimonious, bitter, piercing.
• adj. Of cold, wind, etc.: cutting, penetrating, piercing, sharp.
• adj. (Britain) Extremely low as to be competitive.
• adj. (US, informal, dated) Marvelous.
• adj. (obsolete) Brave, courageous; audacious, bold.
• v. (transitive, rare) To make cold, to sharpen.
• n. A prolonged wail for a deceased person.
• v. (intransitive) To utter a keen.
• v. (transitive) To utter with a loud wailing voice or wordless cry.
• v. (transitive) To mourn.

knifelike

• adj. Resembling a knife or its effects.

penetrating

• adj. able to pierce or penetrate.
• adj. demonstrating acute or keen understanding.
• v. present participle of penetrate.

perceptive

• adj. having or showing keenness of perception, insight, understanding, or intuition.

piercing

• v. present participle of pierce.
• n. (uncountable) The action of the verb to pierce.
• n. A hole made in the body so that jewellery/jewelry can be worn through it.
• n. The jewelry itself.
• adj. Anything or anyone that pierces.

sharp

• adj. Able to cut easily.
• adj. (colloquial) Intelligent.
• adj. Terminating in a point or edge; not obtuse or rounded.
• adj. (music) Higher than usual by one semitone (denoted by the symbol ♯ after the name of the note).
• adj. (music) Higher in pitch than required.
• adj. Having an intense, acrid flavour.
• adj. Sudden and intense.
• adj. (colloquial) Illegal or dishonest.
• adj. (colloquial) Keenly or unduly attentive to one's own interests; shrewd.
• adj. Exact, precise, accurate; keen.
• adj. Offensive, critical, or acrimonious.
• adj. (colloquial) Stylish or attractive.
• adj. Observant; alert; acute.
• adj. Forming a small angle; especially, forming an angle of less than ninety degrees.
• adj. Steep; precipitous; abrupt.
• adj. (mathematics, of a statement) Said of as extreme a value as possible.
• adj. (chess) Tactical; risky.
• adj. Piercing; keen; severe; painful.
• adj. Eager or keen in pursuit; impatient for gratification.
• adj. (obsolete) Fierce; ardent; fiery; violent; impetuous.
• adj. Composed of hard, angular grains; gritty.
• adj. (phonetics, dated) Uttered in a whisper, or with the breath alone; aspirated; unvoiced.
• adv. To a point or edge; piercingly; eagerly; sharply.
• adv. (not comparable) Exactly.
• adv. (music) In a higher pitch than is correct or desirable.
• n. (music) The symbol ♯, placed after the name of a note in the key signature or before a note on the staff…
• n. (music) A note that is played a semitone higher than usual; denoted by the name of the note that is followed…
• n. (music) A note that is sharp in a particular key.
• n. (music) The scale having a particular sharp note as its tonic.
• n. (usually in the plural) Something that is sharp.
• n. A sharp tool or weapon.
• n. (medicine) A hypodermic syringe.
• n. (medicine, dated) A scalpel or other edged instrument used in surgery.
• n. A dishonest person; a cheater.
• n. Part of a stream where the water runs very rapidly.
• n. A sewing needle with a very slender point, more pointed than a blunt or a between.
• n. (in the plural) middlings.
• n. (slang, dated) An expert.
• n. A sharpie (member of Australian gangs of the 1960s and 1970s).
• v. (music) To raise the pitch of a note half a step making a natural note a sharp.
• v. To play tricks in bargaining; to act the sharper.