tedium means boredom or tediousness; ennui. Lexicurio rates it Rare gem — a strength score of 74 out of 100.
tedium is pronounced /ˈtiː.di.əm/.
Why “tedium” is a great word
TEDIUM — [Noun] The state of being wearisome, monotonous, or boring. From Latin taedium ("weariness, disgust, irksomeness"), from taedēre ("to weary, disgust"). Unlike "ennui," which suggests a listless, often existential boredom, or "monotony," which names the objective repetition itself, tedium is the specific, oppressive weariness born from that repetition. It is the metronomic drip of a leaky faucet counting out the seconds, the numb iteration of a data-entry task whose end brings no relief, and the conscious counting of ceiling tiles during an interminable meeting—the soul's quiet protest against the insult of meaningless duration.
noun
- Boredom or tediousness; ennui.“Yet active life was the genuine soil for his virtues; and he sometimes suffered tedium from the monotonous succession of events in our retirement.”