Denshi Jisho — Online Japanese dictionary

一体 いったい 1: ...the heck (e.g. "what the heck?"); ...in the world (e.g. "why in the world?"); ...on earth (e.g. "who on earth?");
2: (Noun) one object; one body; unity;
3: one form; one style;
4: one Buddhist image (or carving, etc.);
5: (Adverbial noun) generally; in general
Common word, Adverb 
一体 いったいか unification; integration
Noun, Suru verb 
一体 いったいに generally; in general
Adverb 
一体 いったいかん (feeling of) identification; sense of unity
Noun 
一体 いったいがた combined unit; two-in-one unit; many-in-one unit; integrated model
Noun 
一体 いったいせい oneness; unity; integrity; inclusion
Noun 
一体となる いったいとなる to accrete; to become whole; to come together
Expression, Godan verb with ru ending 
一体全体 いったいぜんたい ... the heck (e.g. "what the heck?"); ... in the world (e.g. "why in the world?"); ... on earth (e.g. "who on earth?")
Adverb 
一体型モニタ いったいがたモニタ built-in monitor
Noun, Computer terminology 

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