The Collaborative International Dictionary
hard-to-please
hard-to-please \hard-to-please\ adj. Requiring great patience and effort and skill; demanding; -- of persons. Opposite of undemanding.
Syn: harsh, demanding.
WordNet
hard-to-please
adj. of persons; "his father was a hard-to-please taskmaster"; "was very hard to please" [syn: hard-to-please(a), hard to please(p)]