crystal clear

adj

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

The verdict

“crystal clear” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Completely clear (in various senses).

Key facts for crystal clear
PropertyValue
Headwordcrystal clear
LanguageEnglish
Part of speechAdjective
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “crystal clear” sits in English frequency

crystal clear falls 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.

Spelling & Dictionary Insight

The English entry for crystal clear is 13 letters long, classified as an adjective. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 5 distinct senses for this headword, so context determines which meaning a reader should apply.

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).

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.

Using “crystal clear”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-R-Y-S-T-A-L- -C-L-E-A-R - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list