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

  • adj. Tiresome by reason of length, slowness, or dullness; boring. See Synonyms at boring.
  • adj. Obsolete Moving or progressing very slowly.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Boring, monotonous, time consuming, wearisome.

from the GNU version of the Collaborative International Dictionary of English

  • adj. Involving tedium; tiresome from continuance, prolixity, slowness, or the like; wearisome.

from The Century Dictionary and Cyclopedia

  • Wearisome; irksome; tiresome.
  • Annoying; disagreeable; offensive; uncongenial.
  • Slow; slow-going: as, a tedious course.
  • Synonyms Tiresome, Irksome, etc. See wearisome.

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

  • adj. so lacking in interest as to cause mental weariness
  • adj. using or containing too many words


Middle English, from Late Latin taediōsus, from Latin taedium, tedium.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Old French tedieus, from Late Latin taediōsus, from Latin taedium ("weariness, tedium"). (Wiktionary)



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    Oh, I'm not feeling at all well. You see,
    it's very tedious being stuck up here all
    day long with a pole up your back.

    June 11, 2010

  • Sounds like the letters T D S.

    May 17, 2008