Difference between Trenchant and Effectual

TRENCHANT vs EFFECTUAL: ADJECTIVE

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

Exerting or capable of exerting strong physiological or chemical effects
Sufficient to produce a result
Producing or capable of producing an intended result or having a striking effect
Producing or sufficient to produce a desired effect. : effective.
Producing, or having adequate power or force to produce, an intended effect; adequate; efficient; operative; decisive.
A doctrine concerning the work of the Holy Spirit in producing conviction of sin and acceptance of salvation by Christ, -- one of the five points of Calvinism. See Calvinism.
Producing the intended result; entirely adequate.
Having legal efficacy or force

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

True; veracious.
Producing an effect, or the effect desired or intended; also, loosely, having adequate power or force to produce the effect: as, the means employed were effectual.

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

Expedient, Actual, Effectively, Valid, Efficient, Useful, Telling, Hard hitting, Strong, Impressive, Impelling, Trenchant, Potent, Efficacious, Effective

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

Persuasive, Expedient, Actual, Valid, Efficient, Useful, Telling, Hard hitting, Strong, Impressive, Impelling, Trenchant, Potent, Efficacious, Effective

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.

Christ, not the less effectual for being partially covert.
If you do not change effectual accounting entry stacks.
He had all things effectual to being human.
It is also referred to as Effectual Calling.
Create an effectual unit and go somewhere other.
Ability to Comprehend through Holistic and Effectual Resources.
States cannot separately make effectual provision for either.
The miserable monarch can make no effectual resistance.
What Communication Skills Make an Effectual Restaurant Manager?
What is left of a certain election unto glory; of an effectual redemption; of an irresistible, effectual grace; of the perseverance of saints?