unreliably

adv

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

The verdict

“unreliably” is uncommon English (outside the top frequency list), classed as an adverb. 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) - In an unreliable manner.

Corpus desk

Index EN-unreliably · unreliably · English

unreliably · 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 "U" 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 unreliably
PropertyValue
Headwordunreliably
LanguageEnglish
Part of speechAdverb
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unreliably” in English

unreliablyfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

unreliably is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In an unreliable manner.".

unreliably doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From unreliable + -ly, blending to + -ably. The correct English form is unreliably, spelled U-N-R-E-L-I-A-B-L-Y.

Definition

  1. 1
    In an unreliable manner.

Etymology

From unreliable + -ly, blending to + -ably.

Synonyms

Antonyms

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 "unreliably"?
"unreliably" is spelled U-N-R-E-L-I-A-B-L-Y.
What does "unreliably" mean?
As an adverb, "unreliably" means: In an unreliable manner.
What is the origin of the word "unreliably"?
From unreliable + -ly, blending to + -ably. 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