Learn how to say Tsunamic correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word tsunami:
noun (plural same or tsunamis)
a long, high sea wave caused by an earthquake or other disturbance:
the loss of human lives from this latest tsunami is staggering
an arrival or occurrence of something in overwhelming quantities or amounts:
a tsunami of data pours into the CNBC newsroom every minute of every trading day
late 19th century: from Japanese, from tsu ‘harbour’ + nami ‘wave’