This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. not handsome or beautiful or appealing

adj. lacking the power to attract interest

Not attractive or pleasing.

adj. lacking beauty or charm

adj. not appealing to the senses

adj. lacking power to arouse interest

"At the same time the large copper cents had become increasingly unpopular with the public, which thought the coins unattractive, too heavy, and too prone to collect dirt."

unpresentable    plain    subfusc    homely    unprepossessing    uninviting    unappealing   

attractive   

active    attractive    hyperactive    inactive    interactive    overactive    photorefractive    proactive    radioactive    reactive   

uninviting    uninteresting    repulsive    disappoint    unsatisfactory    objectionable    disagreeable    unlovely    inappropriate    inconvenient