crystal clear

adj

"crystal-clear" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Completely clear (in various senses).

Corpus desk

Index EN-crystal-clear · crystal clear · English

crystal clear · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" 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 crystal clear
PropertyValue
Headwordcrystal clear
LanguageEnglish
Part of speechAdjective
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “crystal clear” in English

crystal clearranks 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

crystal clear is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 5 senses are on record.

Zero misspellings are on record for crystal clear in our index, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English cristal cleer. Emphatic form of clear in visual and metaphorical “understandable” senses. Compare clear as a bell (“very clear (of sound)”). The correct English form is crystal clear, spelled C-R-Y-S-T-A-L- -C-L-E-A-R.

Definition

  1. 1
    Completely clear (in various senses).
  2. 2
    Completely clear (in various senses).
  3. 3
    Completely clear (in various senses).
  4. 4
    Completely clear (in various senses).
  5. 5
    Completely clear (in various senses).

Recorded use

Wiktionary examples

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

  1. Reread through the manual until the instructions are crystal clear in your head.
  2. Is it not crystal clear, then, comrades, that all the evils of this life of ours spring from the tyranny of human beings?

Etymology

From Middle English cristal cleer. Emphatic form of clear in visual and metaphorical “understandable” senses. Compare clear as a bell (“very clear (of sound)”).

Synonyms

pellucidplain as dayobvious

This word in other languages

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 "crystal clear"?
"crystal clear" is spelled C-R-Y-S-T-A-L- -C-L-E-A-R.
What does "crystal clear" mean?
As an adjective, "crystal clear" means: Completely clear (in various senses).
What is the origin of the word "crystal clear"?
From Middle English cristal cleer. Emphatic form of clear in visual and metaphorical “understandable” senses. Compare clear as a bell (“very clear (of sound)”). 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