1) Hideous 2) Homely 3) Lacking beauty or charm 4) Nasty 5) Not appealing to the senses 6) Objectionable 7) Obnoxious 8) Plain 9) Repulsive 10) Revolting 11) Subfusc 12) Ugly 13) Uninviting 14) Unlikeable 15) Unpleasant 16) Unprepossessing 17) Unpresentable 18) Unseductive 19) Unsightly 1) Homely 2) Subfusc 3) Ugly 4) Unbecoming 5) Uninviting 6) Unprepossessing 7) Unpresentable 8) Unseductive 9) Unwanted 
[adj] - not appealing to the senses 2. [adj] - lacking power to arouse interest 3. [adj] - lacking beauty or charm
untempting adjective not appealing to the senses; `untempting food`