semi-weekly

adj

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

The verdict

“semi-weekly” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Occurring twice a week; occurring once every one-half a week

Corpus desk

Index EN-semi-weekly · semi-weekly · English

semi-weekly · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 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 semi-weekly
PropertyValue
Headwordsemi-weekly
LanguageEnglish
Part of speechAdjective
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “semi-weekly” in English

semi-weeklysits 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

semi-weekly is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Occurring twice a week; occurring once every one-half a week".

Zero misspellings are on record for semi-weekly in our index, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From semi- + weekly. The correct English form is semi-weekly, spelled S-E-M-I---W-E-E-K-L-Y.

Definition

  1. 1
    Occurring twice a week; occurring once every one-half a week

Etymology

From semi- + weekly.

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 "semi-weekly"?
"semi-weekly" is spelled S-E-M-I---W-E-E-K-L-Y.
What does "semi-weekly" mean?
As an adjective, "semi-weekly" means: Occurring twice a week; occurring once every one-half a week
What is the origin of the word "semi-weekly"?
From semi- + weekly. 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