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1. Put on special clothes to appear particularly appealing and attractive
   "She never dresses up, even when she goes to the opera"
   - overdress, fig out, fig up, deck up, gussy up [N. Amer], fancy up, trick up, deck out, trick out, prink, attire, get up, rig out, tog up, tog out
    
2. Make something appear superficially attractive
   "The researcher tried to dress up the uninteresting data"; "Don't try to dress up the unpleasant truth"
   - window-dress
    
3. Put a caparison on
   - caparison, bard, barde
    
4. Dress in a costume
   "We dressed up for Halloween as pumpkins"
   - costume
    
5. Dress in a certain manner
   "he dressed up in a suit and tie"
   - dress

Derived forms: dressed up, dresses up, dressing up

See also: dress

Type of: adorn, apparel, beautify, clothe, decorate, dress, embellish, enclothe, fancify, fit out, garb, garment, get dressed, grace, habilitate [archaic], ornament, prettify, raiment [archaic], tog

Antonym: dress down