- Difficult - Fraught with difficulty - Hard to comprehend - Mel B turned up in apricot creation? Tricky! - Questionable - Tricky compiler tab? - Alt. of Problematical
- Dubious - Not permitted - Of doubtful integrity - of questionable reputation - Questionable - Sheltered from the sun - Abounding in shade or shades; overspread with shade;
causing shade.