Skip to main content
PlainSpell

underachieve

/ˌʌndə(ɹ)əˈt͡ʃiːv/verb

underachieve is a verb meaning “To achieve less than expected; to fail to fulfil one's potential” (English Wiktionary, September 2026). It is spelled U-N-D-E-R-A-C-H-I-E-V-E, and it appears about once in every 45 million words in written English (wordfreq, 2021 data).

What does underachieve mean?

verb

  1. 1

    To achieve less than expected; to fail to fulfil one's potential.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How do you pronounce underachieve?

  • /ˌʌndə(ɹ)əˈt͡ʃiːv/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-underachieve.wav, Wikimedia Commons (author and licence on each file's page).

Forms of underachieve

  • underachieves present, singular, he/she/it
  • underachieving participle, present
  • underachieved participle, past

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

How common is underachieve?

Underachieve appears about once in every 45 million words in written English, the 206,808th 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).

Where does underachieve come from?

From under- + achieve.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).