roisterous

adj

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

The verdict

“roisterous” is uncommon English (outside the top frequency list), classed as an adjective. 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) - Loud and disorderly; carousing.

Corpus desk

Index EN-roisterous · roisterous · English

roisterous · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" 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 roisterous
PropertyValue
Headwordroisterous
LanguageEnglish
Part of speechAdjective
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “roisterous” in English

roisterousranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

roisterous is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Loud and disorderly; carousing.".

The misspelling generator found no plausible variants for roisterous, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From roister + -ous. The correct English form is roisterous, spelled R-O-I-S-T-E-R-O-U-S.

Definition

  1. 1
    Loud and disorderly; carousing.

Recorded use

Wiktionary examples

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

  1. The New Year’s Eve crowd was wild and roisterous.
  2. One ſhip that Lycius did ſhrowd with faithful Orontes / In ſight of captayne was ſwaſht with a royſterus heapefloud [high tide].

Etymology

From roister + -ous.

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 "roisterous"?
"roisterous" is spelled R-O-I-S-T-E-R-O-U-S.
What does "roisterous" mean?
As an adjective, "roisterous" means: Loud and disorderly; carousing.
What is the origin of the word "roisterous"?
From roister + -ous. 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