1 pain in the head
ADJ. bad, severe, terrible, violent | mild, slight | dull | pounding, splitting, throbbing | migraine, tension He developed a severe migraine headache.
VERB + HEADACHE have, suffer from I've got a splitting headache. | get, develop We all get headaches from time to time. | complain of The workers had complained of headaches and nausea. | bring on, cause, give sb Exhaust fumes made him drowsy and brought on a headache. Red wine gives me a headache. | plead She had left the party early, pleading a headache.
HEADACHE + NOUN pill, tablet> Special page at ILLNESS
2 sb/sth that causes worry/difficulty
ADJ. big, major, real | constant
PREP. ~ for Uneven cash flow proved to be a major headache for the company.