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
words are only hyphenated when they have a separate meaning when separated than they do when hyphenated
Underestimated - 2010 was released on: USA: 2010
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.