seldomness

noun

"seldomness" is a 10-letter English headword indexed on PlainSpell.

The verdict

“seldomness” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Rareness; infrequency; uncommonness.

Corpus desk

Index EN-seldomness · seldomness · English

seldomness · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" thin
  • PHOTO-UNK Peer pending

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.

Key facts for seldomness
PropertyValue
Headwordseldomness
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “seldomness” in English

seldomnesssits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

seldomness is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Rareness; infrequency; uncommonness.".

Zero misspellings are on record for seldomness in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From seldom + -ness. The correct English form is seldomness, spelled S-E-L-D-O-M-N-E-S-S.

Definition

  1. 1
    Rareness; infrequency; uncommonness.

Recorded use

Wiktionary example

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

  1. the seldomness and oftenness of doing well

Etymology

From seldom + -ness.

Synonyms

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "seldomness"?
"seldomness" is spelled S-E-L-D-O-M-N-E-S-S.
What does "seldomness" mean?
As a noun, "seldomness" means: Rareness; infrequency; uncommonness.
What is the origin of the word "seldomness"?
From seldom + -ness. 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.

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

Source: FrequencyWords open word-frequency list