Difficult
Else clues• Bad tempered
• Cantankerous
• Captious
• Challenging or cruel
• Contumacious
• Crabbed
• Crotchety
• Crotchety and cantankerous
• Curmudgeonlike
• Curmudgeonly
• Difficult to deal with
• Downright mean
• Games magazine's The World's Most ___ Crossword
• Hard to get along with
• Hard to manage: Dial.
• Hard to please
• Having a mean streak
• Ill-natured
• Ill-tempered
• Irascible
• Like a cantankerous old coot
• Like a grouch
• Like a junkyard dog
• Like a mule, stereotypically
• Like mean critters
• Like Yosemite Sam
• Mean
• Mean and nasty
• Mean as a snake
• Mean or stubborn
• Mean-spirited
• Mean-tempered
• Not at all good-humored
• Not at all nice
• Obstinate
• Pig-headed
• Really testy
• Splenetic
• Stubborn
• Stubborn as a mule
• Surly
• Tough to deal with