1. (adj)loath, loth, reluctant unwillingness to do something contrary to your custom Synonyms: loth(p), indisposed(p), loath, loath(p), averse(p), loth, antipathetic, antipathetical, reluctant Antonyms: inclined(p), willing
2. (adj)antipathetic, antipathetical, averse(p), indisposed(p), loath(p), loth(p) (usually followed by `to') strongly opposed Antonyms: inclined(p), willing
Synonyms, Thesaurus & Antonyms of 'loath'
English Synonyms and Antonyms
1. loath Reluctant (L. re, back, and lucto, strive, struggle) signifies struggling against what one is urged or impelled to do, or is actually doing; averse (L. a, from, and verto, turn) signifies Synonyms: reluctant, averse, disinclined, loath, slow, backward, indisposed, opposed, unwilling Antonyms: desirous, disposed, eager, favorable, inclined, willing
Synonyms for loath 
