early 14c., in dede "in fact, in truth," from Old English d?d (see deed). Written as two words till c. 1600. As an interjection, 1590s; as an expression of surprise or disgust, 1834. Emphatic form in yes (or no) indeedy attested from 1856, American English.
例文
1. The Europeans had hoped to win,and, indeed ,had looked like winning.
ヨーロッパ人はとっくに勝ちたいと思っていて、しかも彼らは確かに勝ちたいように見える。
2.The mere mention of John had touched a very raw nerve indeed .
ジョンのことを言うと本当に心が痛む。/
3.It rapidly became apparent that rock 'n 'roll was a very broad church indeed .
ロックは実際には何でも揃っていることがすぐに明らかになった。
4.Thank you very much indeed ,Doctor,I am extremely obliged to you.
先生、ありがとうございました、あなたは本当に私の大恩人です。/
5.British Rail has indeed become more commercial over the past decade.