tedium

/ˈtiː.di.əm/

//ˈtiː.di.əm// noun

"tedium" is a 6-letter English headword indexed on PlainSpell.

The verdict

“tedium” is uncommon English (frequency #50,268 among 3,151 “T” headwords), classed as a noun. The kind of spelling people second-guess.

#50,268
frequency rank, English
3,151
“T” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Boredom or tediousness; ennui.

Corpus desk

Index EN-tedium · tedium · English

tedium · rank #50,268 · 0 variants · 0 confusables

  • FREQ-RARE #50,268
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,151
  • PHOTO-FINISH Theodora

Nearest frequency peer: Theodora (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Long-tail ranks near “tedium”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “tedium” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for tedium
PropertyValue
Headwordtedium
LanguageEnglish
Part of speechNoun
IPA/ˈtiː.di.əm/
Letters6
Frequency rank#50,268
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “tedium” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).tediumfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “Theodora” (#50,269), “Talladega” (#50,266), “thoughtfulness” (#50,270). Among 3,151 “T” headwords, “tedium” is #50,268. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

tedium is uncommon English at frequency #50,268 among 3,151 “T” headwords, classed as anoun, transcribed /ˈtiː.di.əm/. Rarity is why readers land here mid-draft. Gloss: "Boredom or tediousness; ennui.".

No generated misspelling entries exist for tedium in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From Latin taedium, from taedēre (“to weary”). The correct English form is tedium, spelled T-E-D-I-U-M.

Definition

  1. 1
    Boredom or tediousness; ennui.

Recorded use

Wiktionary examples

These source excerpts show how tedium appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Yet active life was the genuine soil for his virtues; and he sometimes suffered tedium from the monotonous succession of events in our retirement.
  2. Nothing actual ever suits pure expectation and such purity of expectation is a great source of tedium.

Etymology

From Latin taedium, from taedēre (“to weary”).

Synonyms

Antonyms

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "tedium"?
"tedium" is spelled T-E-D-I-U-M. The IPA pronunciation is /ˈtiː.di.əm/.
What does "tedium" mean?
As a noun, "tedium" means: Boredom or tediousness; ennui.
How do you pronounce "tedium"?
The IPA (International Phonetic Alphabet) transcription for "tedium" is /ˈtiː.di.əm/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "tedium"?
From Latin taedium, from taedēre (“to weary”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "tedium", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list