from The American Heritage® Dictionary of the English Language, 4th Edition
- adv. Without a doubt; certainly: very cold indeed; was indeed grateful.
- adv. In fact; in reality: felt sure I'd win, and indeed I did.
- interj. Used to express surprise, skepticism, or irony.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adv. truly; in fact; actually
- adv. In fact.
- interj. indicates emphatic agreement
from the GNU version of the Collaborative International Dictionary of English
- n. in fact; in truth; verily. See Indeed.
- adv. In reality; in truth; in fact; verily; truly; -- used in a variety of senses. Esp.: (a) Denoting emphasis. (b) Denoting concession or admission. (c) Denoting surprise.
from The Century Dictionary and Cyclopedia
- In fact; in reality; in truth: used emphatically, or as noting a concession or admission; or interjectionally, as an expression of surprise; or interrogatively, for the purpose of obtaining confirmation: as, do you believe it? yes, indeed; indeed! that is surprising; indeed? I can hardly believe it.
- [Originally written separately as two words, as still when an adjective, as very, qualifies the noun.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. (used as an interjection) an expression of surprise or skepticism or irony etc.
- adv. in truth (often tends to intensify)
Middle English in dede, in fact : in, in; see in1 + dede, deed, fact; see deed.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English indede, equivalent to in- + deed (similar to in fact). Compare also Dutch inderdaad ("indeed") and German in der Tat ("indeed"). More at in, deed. (Wiktionary)