Flat
Flat adjective - Causing weariness, restlessness, or lack of interest.
Usage example: a flat portrayal of Benjamin Franklin in the new TV series
Tiresome is a synonym for flat in dull topic. In some cases you can use "Tiresome" instead an adjective "Flat", when it comes to topics like monotonous.
Tiresome
Tiresome adjective - Causing weariness, restlessness, or lack of interest.
Usage example: what a tiresome church service that turned out to be
Flat is a synonym for tiresome in irritating topic. Sometimes you can use "Flat" instead an adjective "Tiresome".
Nearby Words: tired, tiresomeness
Mutual synonyms
Cite this Source
Tiresome and Flat. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/flat/tiresome
Flat & Tiresome. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/flat/tiresome>.
Tiresome or Flat. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/flat/tiresome.
Google Ngram Viewer shows how "flat" and "tiresome" have occurred on timeline