- The definition of tedious is something that is boring and repetitive.
An example of tedious is the work that someone does on an assembly line.
Origin: Middle English from Late Latin taediosus
Used by arrangement with John Wiley & Sons, Inc.
- Tiresome by reason of length, slowness, or dullness; boring. See Synonyms at boring.
- Obsolete Moving or progressing very slowly.
Origin: Middle English, from Late Latin taediōsus, from Latin taedium, tedium.
- teˈdi·ous·ly adverb
- teˈdi·ous·ness noun