Difficult

1. v. t. To render difficult; to impede; to perplex.
2. a. Hard to do or to make; beset with difficulty; attended with labor, trouble, or pains; not easy; arduous.
3. a. Hard to manage or to please; not easily wrought upon; austere; stubborn; as, a difficult person.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.