(a) Hard to do or accomplish; demanding considerable work or skill; hard: "To amuse is far more difficult rather than enlighten” ( Anthony Burgess). See Synonyms at hard.
(a) challenging endure; trying: dropped upon tough times.
(a) challenging understand or solve: a difficult problem.
(v) To make hard; to impede; to perplex.
(v) To make difficult; to impede; to perplex.
(v) To make difficult; to impede; to perplex.
(v) To render difficult; to impede; to perplex.
difficult; calling for or dependent on effort; hard; troublesome; hard.
difficult to do, do, or conquer; attended with labor, pains, or opposition; laborious: because, a hard undertaking.
Hard to please or satisfy; perhaps not compliant; unaccommodating; rigid; austere: since, one of tough mood.
How would you define difficult?