Dull
Dull adjective - Lacking sharpness of edge or point.
Frustrating and dull are semantically related. In some cases you can use "Frustrating" instead an adjective "Dull".
Frustrating
Frustrating adjective - Preventing realization or attainment of a desire.
Dull and frustrating are semantically related. Sometimes you can use "Dull" instead an adjective "Frustrating".
Mutual synonyms
Both words in one sentence
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The results range from being mildly fun, tediously dull, to downright frustrating.
Source: Video Game / Dynasty Warriors -
After just a few minutes of killing enemies, you become so powerful that every enemy other than the two above-mentioned bosses goes down in one or two hits, so even though you get to fight more often, all of the fights are either dull and unsatisfying or hair-pullingly frustrating.
Source: Video Game Cruelty Punishment
Cite this Source
Frustrating and Dull. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/dull/frustrating
Dull & Frustrating. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/dull/frustrating>.
Frustrating or Dull. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/dull/frustrating.
Google Ngram Viewer shows how "dull" and "frustrating" have occurred on timeline