From un- + sexy + -ly.
unsexily (comparative more unsexily, superlative most unsexily)
- In an unsexy way; not sexily.
2016, Michael Rogers, Bakana Flare, Lulu.com, →ISBN, page 481, →ISBN:Blake: “It's unsexily true that the Consultants haven't been on top of the later ranking warriors lately.”
2011, Allison Vale, You Know You're Middle-Aged When..., London: Michael O'Mara, →ISBN, →OCLC, →ISBN:Rather unsexily, he chose to bury his bits in a teeny-weeny teacup.
1997, Thomas Hardy Leahey, Richard Jackson Harris, Learning and Cognition, Upper Saddle River, New Jersey, →ISBN, →OCLC, page 354, →ISBN:Women evaluating male models, in contrast, preferred high-status, unsexily dressed men both as potential sex partners and as husbands.