Synonyms of the word 
UNAPPEALING → OFF-PUTTING - UNATTRACTIVE - UNLIKABLE - UNLIKEABLE - UNSYMPATHETIC
unappealing
- adj. Not appealing.
off-putting
- adj. Disconcerting, annoying or repulsive; tending to put off.
unattractive
- adj. Not handsome or beautiful or appealing.
- adj. Lacking the power to attract interest.
- n. An aesthetically unattractive person.
unlikable
- adj. Not likable.
unlikeable
- adj. Alternative spelling of unlikable.
unsympathetic
- adj. not sympathetic.
If you are interested in words, visit the following sites :
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- 1word.ws/unappealing to play with words, suffixs, prefixs, etc.