insulated
"insulated" is a 9-letter English headword indexed on PlainSpell.
The verdict
“insulated” is a moderately-common English word, ranked #17,648 in English word frequency and used as an adjective.
- #17,648
- frequency rank, English
- 9
- letters
- 13
- tracked misspellings
- 5
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Protected from heat, cold, noise etc, by being surrounded with an insulating material.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | insulated |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Frequency rank | #17,648 |
| Misspellings tracked | 13 |
| Confusable pairs | 5 |
| Source | Wiktionary (kaikki.org) |
Where “insulated” sits in English frequency
Spelling & Dictionary Insight
The English entry for insulated is 9 letters long, classified as an adjective. Corpus data places it at rank #17,648 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 13 likely wrong-spelling variants for insulated, with forms such as "innsulated", "insluated", and "inssulated". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 5 confusable-pair relationships, "isolated", "insulted", "insulator", and more, where similar look or sound leads writers to substitute one word for another in context.
No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is insulated, spelled I-N-S-U-L-A-T-E-D.
Definition
- 1Protected from heat, cold, noise etc, by being surrounded with an insulating material.
- 2Placed or set apart.
- 3Isolated or separated from other conducting materials, or sources of electricity.
- 4Situated at so great a distance as to be beyond the effect of gravitation; said of stars supposed to be so far apart that the effect of their mutual attraction is undetectable.
This word in other languages
Common misspellings
Also misspelled as: innsulated,insluated,inssulated,insualted,insulaetd,insulatde,insulatedd,insulatted,insullated,insultaed,inuslated,isnulated,nisulated
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of insulated - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.
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
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Using “insulated”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-S-U-L-A-T-E-D - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “isolated” - see the side-by-side comparison. insulated vs isolated
- 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.