headache

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. something or someone that causes anxiety;
a source of unhappiness (Freq. 5)
- New York traffic is a constant concern
- it's a major worry
• Syn:
concern, worry, vexation
• Derivationally related forms:
vex (for: vexation), worry (for: worry), concern (for: concern)
• Hypernyms:
negative stimulus
• Hyponyms:
bugaboo, burden, load, encumbrance, incumbrance,
onus, business
2. pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs (Freq. 3)
• Syn:
head ache, cephalalgia
• Hypernyms:
ache, aching
• Hyponyms:
histamine headache, cluster headache, migraine, megrim, sick headache,
hemicrania, sinus headache, tension headache

• Từ đồng nghĩa / Synonyms:
  head ache, cephalalgia, concern, worry, vexation