IPA: //ˈdrʌŋ.kən//
KK: /ˈdrʌŋkən/
Having consumed too much alcohol; intoxicated or inebriated.
After the party, he felt embarrassed about his drunken behavior.
Drunken → It is formed from "drunk" (the past participle of "drink", from Old English "drincan", meaning to consume liquid) and "-en" (a suffix used to form adjectives). The word "drunken" describes a state of being characterized by having consumed too much alcohol, leading to intoxication.
Think of the word 'drink' and remember that 'drunken' refers to a state of being after consuming too much liquid, especially alcohol.