1. (noun) the quality of being difficult

• difficulty

1. (noun) the quality of being difficult

• asperity
• grimness
• hardship
• rigor
• rigorousness
• rigour
• rigourousness
• severeness
• severity
• burdensomeness
• heaviness
• onerousness
• oppressiveness
• effortfulness
• formidability
• toughness
• hardness
• ruggedness
• inconvenience
• troublesomeness
• worriment
• niceness
• subtlety

1. (noun) the quality of being difficult

• quality

1. (noun) the quality of being difficult

• difficult
• hard

1. (noun) the quality of being difficult

• ease
• easiness
• simpleness
• simplicity