Unattractive rhymes with:
attractive, attractive, attractive, photorefractive, refractive, active, attractive, hyperactive, inactive, interactive, overactive, photorefractive, proactive, radioactive, reactive, refractive, retroactive
attractive, attractive, attractive, photorefractive, refractive, active, attractive, hyperactive, inactive, interactive, overactive, photorefractive, proactive, radioactive, reactive, refractive, retroactive