robust russian

• здорове́нный

  brawny very strong big robust muscular huge enormous

• крепы́ш

  sturdy child

  robust but small man

• кре́пенький

  sturdy, rather strong, robust, fairly firm

• крепча́йший

  strongest, firmest, most robust, most durable, sturdiest

• окре́пший

  strengthened, recovered, hardened, robust

• дебе́ло

  stoutly, thickly, robustly, portly