underpowered

verb

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

The verdict

“underpowered” is uncommon English (frequency #61,191 among 23,789 “U” headwords), classed as a verb. The kind of spelling people second-guess.

#61,191
frequency rank, English
23,789
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - simple past and past participle of underpower

Key facts for underpowered
PropertyValue
Headwordunderpowered
LanguageEnglish
Part of speechVerb
Letters12
Frequency rank#61,191
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “underpowered” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). underpowered lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

underpowered is uncommon English at frequency #61,191 among 23,789 “U” headwords, classed as averb. Rarity is why readers land here mid-draft. Gloss: "simple past and past participle of underpower".

underpowered doesn't appear in our generated misspelling 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 underpower + -ed. The correct English form is underpowered, spelled U-N-D-E-R-P-O-W-E-R-E-D.

Definition

  1. 1
    simple past and past participle of underpower

Etymology

From underpower + -ed.

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 "underpowered"?
"underpowered" is spelled U-N-D-E-R-P-O-W-E-R-E-D.
What does "underpowered" mean?
As a verb, "underpowered" means: simple past and past participle of underpower
What is the origin of the word "underpowered"?
From underpower + -ed. 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 “underpowered”

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

  • The one correct English spelling is U-N-D-E-R-P-O-W-E-R-E-D - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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