1. Beneath the surface of the water
   - submerged, submersed 
2. Growing or remaining under water
   - subaqueous, subaquatic, submerged, submersed

See also: aquatic, subsurface

Encyclopedia: Underwater

• reconvert
• reconvey
• reconveyance
• reconvict
• recopy
• perturbable
• perturbate
• perturbation
• perturbed
• perturbing
• Pertusaria
• Pertusariaceae
• pertussis
• Peru
• peruke
• peruked
• perusal
• peruse
• perusing
• Perutz
• Peruvian
• Peruvian balsam
• Peruvian bark
• Peruvian cotton
• Peruvian current