| Answer | Crossword Clue |
|---|---|
| superwave | a exceptionally large wave |
| superwaves | SUPERWAVE, a exceptionally large wave |
| billow | A large sea wave |
| decuman | large or immense, as a wave |
| HAWAIIFIVEO | It opened with a large rolling wave |
| tsunamic | unusually large sea wave produced by a seaquake or undersea volcanic eruption |
| tsunamis | unusually large sea wave produced by a seaquake or undersea volcanic eruption |
| pipeline | (in surfing) The hollow formed by the breaking of a large wave |
| pipelines | (in surfing) The hollow formed by the breaking of a large wave |
