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headache

headache /ˈhɛdˌeɪk/ noun
plural headaches
headache
/ˈhɛdˌeɪk/
noun
plural headaches
Britannica Dictionary definition of HEADACHE
: an ache or pain in the head
[count]
[noncount]
see also splitting headache
[count] : a difficult or annoying situation or problem

— headachy

/ˈhɛdˌeɪki/ adjective [more headachy; most headachy]