difficulty

Từ điển American Heritage Dictionary 4th

dif·fi·cul·ty (dĭfʹĭ-kŭl'tē, -kəl-)n. pl. dif·fi·cul·ties
1. The condition or quality of being difficult:
the difficulty of a task.
2. Something not easily done, accomplished, comprehended, or solved.
3. A troublesome or embarrassing state of affairs, especially of financial affairs. Often used in the plural.
4. A laborious effort; a struggle; trouble:
had difficulty walking; completed the test with difficulty.
5. A disagreement or dispute.
6. Reluctance or an objection; unwillingness. [Middle English difficulte, from Old French dificulte, from Latin difficultās, from difficilis, difficult : dis-, dis- + facilis, easy; See dhē- in Indo-European Roots.] 
Synonyms: difficulty, hardship, rigor, vicissitude
These nouns denote something that requires great effort to overcome: grappling with financial difficulties; a life of hardship; undergoing the rigors of prison; withstood the vicissitudes of an army career.

• Từ đồng nghĩa / Synonyms:
  difficultness, trouble
• Từ trái nghĩa / Antonyms:
  ease, easiness, simplicity, simpleness