also: ワンダホー · ワンダフォー
na-adjective, interjection
Loanword from English 'wonderful'. Used as an exclamation or adjectival noun to express delight or admiration, similar to すばらしい.
ワンダフル！最高の景色だね。
Wonderful! What a great view.
彼の演奏は本当にワンダフルだった。
His performance was truly wonderful.
Kanji form of すばらしい; same nuance as above.
Borrowed from English 'wonderful'. The variant ワンダホー reflects a playful or eye-dialect rendering of the English pronunciation.