No, "underestimated" is not hyphenated. It is a single, compound word formed by the prefix "under-" and the verb "estimated." In general, compound words like this one are written without a hyphen.
i like to underestimated
It is not hyphenated.
No it's not hyphenated.
Motorcycle is not hyphenated
Underestimated - 2010 was released on: USA: 2010
words are only hyphenated when they have a separate meaning when separated than they do when hyphenated
Yes it should be hyphenated.
No, "hardworking" is not hyphenated.
It can be. Some words can be seen both hyphenated and non-hyphenated.
He underestimated the task and it was far more difficult than he had expected.
No. Well above is not hyphenated.
Yes it should be hyphenated.