headache

Plural: headaches

Noun

• A pain inside the head; a troublesome or difficult problem.
• something or someone that causes anxiety; a source of unhappiness
• pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs
• A pain or ache in the head.
• A nuisance or unpleasant problem.

Examples

• I advise you to take some painkillers for the headache, it's probably nothing serious.
• I have a splitting headache after that party last night.
• The clumsy filing system has been a huge headache.
• Trying to place all those consonants felt like a real HEADACHE, even for a Scrabble pro.

Synonyms

cephalalgia, concern, head ache, vexation, worry, bother, pain in the neck