underwater 
1. beneath the surface of the water (Freq. 2) - submerged rocks • Syn: submerged, submersed • Similar to: subsurface 2. growing or remaining under water - viewing subaqueous fauna from a glass-bottomed boat - submerged leaves • Syn: subaqueous, subaquatic, submerged, submersed • Similar to: aquatic • Topics: biology, biological science
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