| adjective | not encouraging or approving or pleasing; ; ; , “unfavorable conditions” |
| adjective | (of winds or weather) tending to hinder or oppose “unfavorable winds” |
| adjective | not favorable “made an unfavorable impression” |
| unfavorableness | noun | the quality of not being encouraging or indicative of success |
| unfavourableness | noun | the quality of not being encouraging or indicative of success |