from The American Heritage® Dictionary of the English Language, 4th Edition

  • conj. Consequently; therefore.
  • adv. Consequently; hence.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adv. Consequently, therefore.
  • conj. therefore (especially in syllogisms).

from the GNU version of the Collaborative International Dictionary of English

  • Therefore; consequently; -- often used in a jocular way.

from The Century Dictionary and Cyclopedia

  • Therefore: used technically in logic to introduce the conclusion of a complete and necessary syllogism.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adv. (used as a sentence connector) therefore or consequently


Latin ergō; see reg- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ergo (Wiktionary)



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