underdressed

Definition of Underdressed in English :

1. underdressed

inadequately or too informally clothed

WordNet Lexical Database for English. Princeton University. 2010.

Underdressed

adjective

wearing clothes that are not elaborate or formal enough for a particular occasion

v. (ŭn′dər-drĕs) un·der·dressed, un·der·dress·ing, un·der·dress·es

v.intr.

1. To dress oneself too informally for an occasion: Don't underdress for the wedding; blue jeans are not appropriate attire.

2. To dress oneself too lightly: When it began to snow, I realized I had underdressed for the hike.

v.tr.

1. To dress too informally for an occasion: Seeing the other guests in their evening gowns made me feel I had underdressed myself.

2. To dress too lightly: You're underdressing the baby for such a cold day!

n.

1. Apparel worn beneath outer garments; underclothing.

2. An outer garment, such as a dress beneath a tunic or coat, that is worn as part of a costume or suit.