adjective
loath
LOHTH/ləʊθ/
Unwilling or reluctant to do something.
The teenager is loath to begin the chore and approaches the bucket reluctantly.

Etymology
Old English lað expressed hatred or repulsiveness. That strong aversion weakened into disinclination: someone loath to do something is reluctant, rather than necessarily disgusted by it.
In context
in the gloaming, I shall enjoy unfair advantage that I am loath to take. For I can see in the dark by the light of my own eye balls--a gift denied to you.
More examples
- I'm loath to admit it, but you were right.
- The owners are loath to raise prices again.
- He seems loath to ask anyone for help.
Forms
loath
loathe verb — To feel strong dislike or disgust.