1
adjective (keiyoushi)
sluggish;languid;listless;heavy (heart, legs, etc.);dull
だるいし頭がずきずきする。
I feel listless and have a throbbing headache.
2
adjective (keiyoushi)
bothersome;tiresome;pain-in-the-ass
Other forms
懈い 【だるい】 (rarely used kanji form)