IPA: /ˈdrʌŋkənnəs/
KK: /ˈdrʌŋkənnəs/
A condition where a person has consumed too much alcohol and is unable to think or act normally.
His drunkenness led to poor decisions at the party.
Drunkenness is formed from "drunk" (the past participle of "drink", from Old English "drincan", meaning to consume liquid) and "-ness" (a suffix meaning the state or quality of). The word "drunkenness" refers to the state of being drunk or intoxicated.
Think of the state of having consumed liquid ('drink') and how that leads to being in a certain condition ('-ness'). This helps you remember that drunkenness is the state of being drunk.
No commonly confused words.