a big turn to the left or right, for example when you are driving [= sharp]
a hard 'c' is pronounced /k/ rather than /s/; a hard 'g' is pronounced /g/ rather than /dz/ [↪ soft]
a material that would combine the flexibility of rubber with the hardness of glass
WORD FOCUS: hard WORD FOCUS: hard hard and not bending:solid, firm, stiff, rigid meat that is too hard:tough skin that is old and hard:leathery, calloused hard and easily broken:brittleWORD FOCUS: difficult WORD FOCUS: difficult difficult to do:hard, tough, challenging, daunting difficult and needing a lot of physical effort:tough, strenuous, back-breaking, gruelling, arduous, punishing difficult to deal with or talk about:tricky, awkward, delicate, sensitive, touchy words for describing a difficult person:awkward, trying words for describing difficult conditions:adverse, hostile ➔ See alsodifficult
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.