Plz help me what dose underestimate mean ps in 5th grade

Underestimate means to guess lower than something really is.

You might underestimate the money you need to spend on new clothes.

You might underestimate how popular a candidate is.

You might underestimate the time it will take to finish your homework.

http://www.google.com/#q=underestimate

Thank u ms sue

You're welcome, Essence.