Synonyms of underdressed

Verb

1. underdress, dress, clothe, enclothe, garb, raiment, tog, garment, habilitate, fit out, apparel

usage: dress without sufficient warmth; "She was underdressed for the hiking trip and suffered hypothermia"

2. dress down, underdress, dress, get dressed

usage: dress informally and casually; "On Fridays, employees can underdress"

Adjective

1. underdressed, clothed (vs. unclothed), clad

usage: inadequately or too informally clothed