Difference between Weaken and Slacken

WEAKEN vs SLACKEN: NOUN

A spongy, semivitrifled substance which miners or smelters mix with the ores of metals to prevent their fusion.
The slags or cinder from previous fusions, used in smelting operations to mix with natural ores and to retard fusion of the ores until reduction shall have proceeded to the desired point.

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.

To be or become remiss in or neglectful of; remit; relax: as, to slacken labor or exertion.
To abate; moderate; lessen; diminish the intensity, severity, rate, etc., of; hence, to mitigate; assuage; relieve: as, to slacken one's pace; to slacken cares.
To make slack or slacker.
To become remiss or neglectful, as of duty.
To become less active; fall off: as, trade slackened; the demand slackens; prices slacken
To become slack.
(transitive; intransitive verb) To make or become slower; slow down.
(transitive; intransitive verb) To make or become less tense, taut, or firm; loosen.
(transitive; intransitive verb) To make or become less vigorous, intense, or severe; ease.

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

Letup, Relax, Diminish, Loosen, Abate, Waver, Relent, Weaken, Wane, Slack up, Slow up, Slow down, Remit, Slack, Slow

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

Detach, Lessen, Decrease, Loose, Letup, Relax, Diminish, Loosen, Abate, Weaken, Slow up, Slow down, Remit, Slack, Slow

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.