underestimate
/ʌndɚˈɛs.tɪ.meɪt/
"underestimate" is a 13-letter English headword indexed on PlainSpell.
The verdict
“underestimate” is a moderately-common English word, ranked #11,488 in English word frequency and used as a verb.
- #11,488
- frequency rank, English
- 13
- letters
- 19
- tracked misspellings
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To estimate too low; to perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has.
| Property | Value |
|---|---|
| Headword | underestimate |
| Language | English |
| Part of speech | Verb |
| IPA | /ʌndɚˈɛs.tɪ.meɪt/ |
| Letters | 13 |
| Frequency rank | #11,488 |
| Misspellings tracked | 19 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “underestimate” sits in English frequency
Spelling & Dictionary Insight
The English entry for underestimate is 13 letters long, classified as a verb, and transcribed in the International Phonetic Alphabet as /ʌndɚˈɛs.tɪ.meɪt/. Corpus data places it at rank #11,488 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
Our generated misspelling index lists 19 likely wrong-spelling variants for underestimate, with forms such as "nuderestimate", "udnerestimate", and "undderestimate". 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. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From under- + estimate. The correct English form is underestimate, spelled U-N-D-E-R-E-S-T-I-M-A-T-E.
Definition
- 1To estimate too low; to perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has.
- 2To perceive or expect (someone or something) to be less significant or difficult than it actually is.
Etymology
From under- + estimate.
Synonyms
Antonyms
This word in other languages
Common misspellings
Also misspelled as: nuderestimate,udnerestimate,undderestimate,undeerstimate,underesitmate,underesstimate,underestiamte,underestimaet,underestimatte,underestimmate,underestimtae,underestmiate,underesttimate,underetsimate,underrestimate,undersetimate,undreestimate,unedrestimate,unnderestimate
Misspelling Pattern Breakdown
How far each generated variant is from the correct spelling of underestimate - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.
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 "underestimate"?
What does "underestimate" mean?
What are common misspellings of "underestimate"?
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Using “underestimate”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-D-E-R-E-S-T-I-M-A-T-E - every other letter order is a misspelling in standard orthography.
- Say it as /ʌndɚˈɛs.tɪ.meɪt/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- 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.