unreserved

adj

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“unreserved” is uncommon English (frequency #50,877 among 1,433 “U” headwords), classed as an adjective. The kind of spelling people second-guess.

#50,877
frequency rank, English
1,433
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not reserved: not otherwise or already committed.

Corpus desk

Index EN-unreserved · unreserved · English

unreserved · rank #50,877 · 0 variants · 0 confusables

  • FREQ-RARE #50,877
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unquestioned

Nearest frequency peer: unquestioned (-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 “unreserved”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unreserved
PropertyValue
Headwordunreserved
LanguageEnglish
Part of speechAdjective
Letters10
Frequency rank#50,877
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unreserved” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).unreservedfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “unquestioned” (#50,876), “untangle” (#50,878), “unimaginative” (#50,875). Among 1,433 “U” headwords, “unreserved” is #50,877. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unreserved is uncommon English at frequency #50,877 among 1,433 “U” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.

unreserved has no tracked misspelling variants, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From un- + reserved. The correct English form is unreserved, spelled U-N-R-E-S-E-R-V-E-D.

Definition

  1. 1
    Not reserved: not otherwise or already committed.
  2. 2
    Not booked in advance: with no reservation.
  3. 3
    Without reserve: unrestrained, unconstrained.

Recorded use

Wiktionary examples

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

  1. an unreserved forest
  2. an unreserved table

Etymology

From un- + reserved.

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 "unreserved"?
"unreserved" is spelled U-N-R-E-S-E-R-V-E-D.
What does "unreserved" mean?
As an adjective, "unreserved" means: Not reserved: not otherwise or already committed.
What is the origin of the word "unreserved"?
From un- + reserved. 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 "unreserved", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

unhindered#50,874uncredited#50,872Waddington#50,890tumbleweed#50,859

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

Source: FrequencyWords open word-frequency list