Denshi Jisho — Online Japanese dictionary

ぼけ 1: (Usually written using kana alone) idiot; fool; touched in the head (from); out of it (from); space case;
2: funny man (of a comedy duo); (in comedy) silly or stupid line;
3: Alzheimer's (impol)
Common word, Noun, Suffix 
あっけ taken aback; dumbfounded
Common word, Noun 
愚か おろか foolish; stupid
Common word, Na-adjective, Noun 
疎か おろか 1: neglect; negligence; carelessness;
2: (Expression) (Usually written using kana alone) not to mention; needless to say; not to speak of
Common word, Na-adjective, Noun 
ける ぼける 1: to grow senile; to be childish with age;
2: to be mentally slow; to be befuddled
Common word, Ichidan verb, Intransitive verb 
ぼうぜん dumbfounded; overcome with surprise; in blank amazement; in a daze
Taru-adjective, Adverb taking the 'to' particle 
れる あきれる to be amazed; to be shocked; to be astonished; to be astounded; to be disgusted
Common word, Ichidan verb, Intransitive verb 
ける ほうける 1: to grow senile; to be childish with age;
2: to be mentally slow; to be befuddled;
3: to become engrossed (in something)
Ichidan verb, Intransitive verb 
れ顔 あきれがお amazed or stunned expression
Noun 
気者 うつけもの fool; blockhead; idiot; dunce
Noun, Usually written using kana alone 
愚か者 おろかもの fool
Noun 
れ入る あきれいる to be dumbfounded; to be amazed
Godan verb with ru ending, Intransitive verb 
気ない あっけない not enough; too quick (short, long, etc.)
Adjective 
愚かしい おろかしい foolish; stupid
Adjective 
おろか おろかもの fool
Noun 
れ返る あきれかえる to be utterly amazed; to be stunned
Godan verb with ru ending, Intransitive verb 
れ果てる あきれはてる to be flabbergasted; to be dumbfounded
Ichidan verb, Intransitive verb 
然自失 ぼうぜんじしつ stupor; stupefaction; trance; (being) dumbfounded
Noun, Suru verb, No-adjective 
れて物が言えない あきれてものがいえない utterly scandalized
Expression, Adjective 

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