underperform
verb
underperform is spelled U-N-D-E-R-P-E-R-F-O-R-M: 12 letters and 4 syllables. It appears about once in every 4 million words in written English, the 62,179th most frequent word form (wordfreq, 2021 data). As a verb, underperform means “To underachieve; to fail to reach standards or expectations, especially with respect to a financial investment” (English Wiktionary, September 2026).
How many letters and syllables are in underperform?
| Letters | 12: U-N-D-E-R-P-E-R-F-O-R-M |
|---|---|
| Syllables | 4 (from its American pronunciation) |
| In writing | about once in every 4 million words; the 62,179th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is underperform?
Underperform appears about once in every 4 million words in written English, the 62,179th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce underperform?
- US
Underperform has 4 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-underperform.wav, Wikimedia Commons (author and licence on each file's page).
Forms of underperform
- underperforms present, singular, he/she/it
- underperforming participle, present
- underperformed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does underperform mean?
The meanings the English Wiktionary records, quoted as written there (source below).
verb
- 1
To underachieve; to fail to reach standards or expectations, especially with respect to a financial investment.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Underperform in Spanish, French, German and Portuguese
In the sense underachieve; to fail to reach standards or expectations:
| Language | Words |
|---|---|
| German | but see hinter den Erwartungen zurückbleiben, die Erwartungen enttäuschen, unterdurchschnittlich abschneiden |
| Spanish | menosdesempeñarse, menosdesempeñar |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does underperform come from?
From under- + perform.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).