Difference between Undermines and Weaken

UNDERMINES vs WEAKEN: VERB

To become weak or weaker; to lose strength, spirit, or determination; to become less positive or resolute.

To reduce in quality, strength, or spirit.
To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate.

To make weak or weaker; lesson or reduce the strength, power, ability, influence, or quality of: as, to weaken the body or the mind; to weaken a solution or infusion by dilution; to weaken the force of an argument.
To become weak or weaker: as, he weakens from day to day.
(transitive; intransitive verb) To make or become weak or weaker.

Subverts, Distorts, Imperils, Hinders, Endangers, Erodes, Diminishes, Impedes, Jeopardizes, Cave, Countermine, Counteract, Sabotage, Subvert, Weaken

Undercut, Worsen, Diminish, Erode, De escalate, Step down, Countermine, Damp, Break, Counteract, Sabotage, Subvert, Soften, Dampen, Undermine

Mine, Damages, Reduced, Prejudice, Decreases, Commits, Compromises, Restricts, Hurts, Threatens, Cave, Countermine, Counteract, Subvert, Weaken

Hamper, Hinder, Cripple, Undercut, Worsen, Diminish, Erode, Countermine, Damp, Break, Counteract, Subvert, Soften, Dampen, Undermine

There was balancing material that undermines your conclusions.
Overcriminalization itself undermines public respect for criminal law.
And it undermines all of our service values.
How tracking undermines race equity in desegregated schools.
Manichaean ideology undermines the rational exercise of power.
The routine use of shackles undermines these objectives.
It undermines what this military stands for and it undermines what the Marine Corps stands for when sexual assault takes place within.
This of course undermines all historical writing, and, obviously, undermines the possibility of getting facts from the Gospels.
When that trust is breached it undermines these relationships, and undermines our investigations and the confidence of victims, witnesses and their families.
When poor communication undermines trust it also undermines the possibilities for optimal treatment and outcomes.

There are traumas in life that weaken us.
Stretching the truth will only weaken your case.
Muscles tend to shorten and weaken with age.
It can even weaken the entire immune system.
Virtually all knots weaken line in various degrees.
All of that can weaken your lash lift.
Farm laws will weaken mandi system: Sharad Pawar.
So using the with end with, we can delete their sweetened delete this weaken, Delete this weaken.
Gaonic authority and caliphal authority were, the ga on implied, bound up with each other: weaken one and you weaken the other.
To weaken one is to weaken the other.