noun ·5 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   One who or that which underperforms, having performance that is below average or below expectations; often specifically a company or stock

   ""Any underperformer in this business is vulnerable as a takeover," Raiff said."

2. 2
   a business that is less successful than expected wordnet
3. 3
   a student who does not perform as well as expected or as well as the IQ indicates wordnet

Synonyms

All synonyms

underachieverunderachievernonachiever

Example

More examples

""Any underperformer in this business is vulnerable as a takeover," Raiff said."

Etymology

From underperform + -er.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.