1. A person's costume (especially if bizarre)
   "What a queer rigout!"

1. Put on special clothes to appear particularly appealing and attractive
   "He rigged out in formal wear for the wedding";
   - dress up, fig out [informal], fig up [informal], gussy up [N. Amer, informal], fancy up [informal], trick up, trick out, attire, get up, tog up [informal], tog out [informal], doll up [informal]
    
2. Equip or outfit with necessary gear or equipment
   "They rigged out the expedition with camping supplies"

Derived forms: rigging out, rigged out, rigs out, rigouts

Type of: costume, dress, get dressed