breast-deep
1. [ adverb ] up to the breast
Synonyms: breast-high
Examples:

"we were standing breast-high in the water"

Similar spelling:   breast-fed
  breastplate
  breasted
  breastpin
  breastless
  breastfeed
  breastbone
  breast-high
  bristled
  break-dance
  breaststroke
  breast_pocket