Meaning : Dress without sufficient warmth.
Example :
She was underdressed for the hiking trip and suffered hypothermia.
Meaning : Dress informally and casually.
Example :
On Fridays, employees can underdress.
Synonyms : dress down
Put on special clothes to appear particularly appealing and attractive.
She never dresses up, even when she goes to the opera.Underdress meaning in Bengali (Bangla).