underestimated
Definitions
To estimate something as being smaller, less important, or less capable than it actually is.
To fail to appreciate the full extent or value of a person or situation.
Examples
The team underestimated their opponent and lost the game in the final minutes.
I think you have severely underestimated the amount of work required for this project.
She was often underestimated by her colleagues, but she consistently delivered exceptional results.
Synonyms
undervalued underrated misjudged undersized belittled discounted overlooked
Antonyms
overestimated overvalued overrated exaggerated overstated magnified overpraised