Difference between Efficacious and Trenchant

EFFICACIOUS vs TRENCHANT: ADJECTIVE

Producing or capable of producing an intended result or having a striking effect
Possessing the quality of being effective; productive of, or powerful to produce, the effect intended.
Effective
Marked by qualities giving the power to produce an intended effect

Having keenness and forcefulness and penetration in thought, expression, or intellect
Characterized by or full of force and vigor
Clearly or sharply defined to the mind
Caustic; cutting.
Distinct; clear-cut.
Fitted to trench or cut; gutting; sharp.
Fig.: Keen; biting; severe.
Keen; biting; vigorously effective and articulate; severe; as, trenchant wit.
Forceful and clear; penetrating.

Producing the desired effect; having power adequate to the purpose intended; effectual in operation or result.
Synonyms Efficient, Effectual, etc. (see effective); active, operative, energetic.

Specifically, in zoology, sectorial, as a molar or premolar; sharp-edged: as, the trenchant canines of a saber-toothed tiger.
Penetrating; energetic; downright.
Cutting; sharp; keen.

Therapeutic, Efficiency, Effectively, Efficiently, Successful, Efficient, Effectiveness, Efficacy, Telling, Hard hitting, Trenchant, Impressive, Impelling, Effectual, Effective

Decisive, Toothless, Assertive, Sharp, Forceful, Incisive, Hard hitting, Clear cut, Searching, Efficacious, Distinct, Effective, Clear, Intelligent, Effectual

Prophylactic, Therapeutic, Efficiency, Efficiently, Successful, Efficient, Effectiveness, Telling, Efficacy, Hard hitting, Trenchant, Impressive, Impelling, Effectual, Effective

Decisive, Toothless, Assertive, Sharp, Forceful, Incisive, Hard hitting, Clear cut, Searching, Efficacious, Distinct, Effective, Clear, Intelligent, Effectual

They have proven to be efficacious and safe.
Administer the lowest efficacious dose of pain medication.
TT as a unique and efficacious healing modality.
They are very efficacious in rheumatism, gout, etc.
Getting efficacious interventions incorporated into practice: lessons learned.
That efficacious basketball player never misses a shot!
Nations formed under covenants that will be efficacious.
Even less efficacious is the argument that Ms.
Amphotericin B, although efficacious, must be administered intravenously.
ALA was the most efficacious in increasing TTR and RBP concentrations, while ascorbic acid was the least efficacious.

He denied that Politkovskaya's trenchant criticism of developments in Chechnya had any impact on the Chechen government.
It is in this context that the criticisms offered by Levinas, Derrida and Bourdieu are most trenchant.
SYN: Sharp, biting, mordant, trenchant, piercing, bitter, sarcastic, provoking, stinging, sardonic, exasperating, satirical, severe, disappointing, cruel.
Many authors conadtf the question settled beyond all debate by a process of trenchant deductive reasoning.
Lucid prose, trenchant analysis, and colorful anecdotes will keep readers engrossed despite knowing the outcome.
Tatiana Siegel, provide personal memories and trenchant insights into some landmark controversial movies.
Perhaps the most trenchant phrase that matters is this one from insurance.
This is an area in which Strauss has provided trenchant observations.
Elle Woods went here, from the trenchant documentary Legally Blonde.
Manhattan Institute scholar Sol Stern writes in his trenchant essay.

Is the sulfated zirconia catalyst efficacious for acid-catalyzed organic synthesis?
Is early postoperative ablation of atrial flutter safe and efficacious?
Is Servier's Valdoxan more efficacious than other antidepressants?
Is Edelweiss callus culture extract efficacious for UVB treatment?
Are opioid antagonists efficacious in pain after stroke?
Is physiotherapy efficacious in post cardiac surgery?
How can educators empower self-efficacious leaders?
Is coupling media efficacious for therapeutic ultrasound?
What is the most efficacious psychological intervention?
Is iron polymaltose complex efficacious in children?