Weaken (3)
'weaken' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for impair that I've seen before include "Spoil, degrade" , "Hobble" , "Damage or handicap" , "Make worse or less effective" , "Damage or injure" .)
'weaken' is the definition.
(relent can mean to weaken or decrease in intensity)
This is all the clue.
(Other definitions for relent that I've seen before include "Become less severe and more forgiving" , "Ease off" , "Decide to be kind after all?" , "Become less intense" , "Go easy" .)
'weaken' is the definition.
(diluting is a kind of weakening)
This is the entire clue.
(Other definitions for dilute that I've seen before include "Add water to thin" , "Weaken by adding water" , "having less concentration" , "Adulterate" , "Tone down" .)
'weaken' is the definition.
(enfeebling is a kind of weakening)
This is the entire clue.
(Other definitions for enfeeble that I've seen before include "Take sting from" , "Weaken" , "Make weak" .)
'weaken' is the definition.
(enervating is a kind of weakening)
This is the entire clue.
(Other definitions for enervate that I've seen before include "Drain of energy" , "Cause to feel drained of energy" , "Weaken mentally or morally" , "Take strength from" , "Make weak" .)
'weaken' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for ebb that I've seen before include "Initially Mrs Browning's" , "(Of tidewater) recede" , "state of decline" , "Go out or recede like tide" , "Flow back or recede" .)
'weaken' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sap that I've seen before include "Plant liquid or general vitality" , "The juice in trees" , "One is easily fooled" , "Cosh; plant's juice" , "trench used in siege" .)
'weaken' is the definition.
(debilitating is a kind of weakening)
This is the entire clue.
(Other definitions for debilitate that I've seen before include "Make very weak" , "Weaken" .)
'weaken' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for tire that I've seen before include "one of four found on Chevrolet?" , "Grow weary of rite" , "Grow weary of rithe" , "Fatigue" , "Get weary" .)