
1) Abate 2) Age 3) Blunt 4) Damage 5) Deaden 6) Debilitate 7) Decondition 8) Depress 9) Deprive 10) Derail 11) Devitalise 12) Devitalize 13) Dilute 14) Ebb 15) Emasculate 16) Enervate 17) Enfeeble 18) Erode 19) Geld 20) Hesitate 21) Incapacitate 22) Languish 23) Reduce 24) Sag 25) Sap 26) Slacken 27) Subside
Found on
https://www.crosswordclues.com/clue/weaken

1) Alter 2) Become weaker 3) Challenge 4) Change 5) Chip away at 6) Damage 7) Debilitate 8) Demoralize 9) Dent 10) Destabilize 11) Dilute 12) Emasculate 13) Enfeeble 14) Lessen in force or effect 15) Lessen the strength of 16) Lose clout 17) Lose strength 18) Make ineffective 19) Make less powerful
Found on
https://www.crosswordclues.com/clue/weaken

• (v. i.) To become weak or weaker; to lose strength, spirit, or determination; to become less positive or resolute; as, the patient weakened; the witness weakened on cross-examination. • (v. t.) To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to weaken the body or the mind; to...
Found on
http://thinkexist.com/dictionary/meaning/weaken/
Weak'en intransitive verb To become weak or weaker; to lose strength, spirit, or determination; to become less positive or resolute; as, the patient
weakened ; the witness
weakened on cross-examination. 'His notion
weakens , his discernings are lethargied.'
Shak. Found on
http://www.encyclo.co.uk/webster/W/18
Weak'en transitive verb [
imperfect & past participle Weakened ;
present participle & verbal noun Weakening .]
1. To make weak; to lessen the strength of; to deprive of strength; to debilitate; to enfeeble; to enervate; as, to
...Found on
http://www.encyclo.co.uk/webster/W/18

[
v] - lessen the strength of 2. [v] - become weaker
Found on
http://www.webdictionary.co.uk/definition.php?query=weaken
No exact match found.