What does "underperform" mean?

To underachieve; to fail to reach standards or expectations, especially with respect to a financial investment.

What is a synonym for "underperform"?

Common synonyms include: bombs, choking, displeased, displeases, dissatisfies, dissatisfy.

verb

verb ·4 syllables ·Rare ·Advanced level

Verb

1
To underachieve; to fail to reach standards or expectations, especially with respect to a financial investment. ambitransitive
"Even outside the Anglo-Saxon world, underperforming public companies have become vulnerable to hostile takeover."
2
perform too rarely wordnet
3
perform less well or with less success than expected wordnet

"Even outside the Anglo-Saxon world, underperforming public companies have become vulnerable to hostile takeover."

From under- + perform.