Acceptable For Game Play - US & UK word lists

This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

The American Heritage® Dictionary of the English Language, 4th Edition
  • ad. Undoubtedly; definitely: This is certainly not my writing.
  • ad. By all means; of course: You may certainly join us.
  • ad. Surely: They certainly are hard workers.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • ad. In a way which is certain; with certainty.
  • ad. Without doubt, surely; of course.
  • ad. An emphatic affirmative answer.
  • the GNU version of the Collaborative International Dictionary of English
  • ad. Without doubt or question; unquestionably.
  • The Century Dictionary and Cyclopedia
  • With certainty; without doubt or question; in truth and fact; without fail; inevitably; assuredly; undoubtedly; unquestionably; of a certainty.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • ad. definitely or positively (`sure' is sometimes used informally for `surely')
  • Form
    Words with the same meaning
    Words with the same terminal sound
    Same Context
    Words that are found in similar contexts
    maybe    questionably    possibly    probably    arguably