The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
tsunami
1 ENTRIES FOUND:
tsunami
(noun)
tsunami
/sʊ
ˈ
nɑːmi/
noun
plural
tsunamis
tsunami
/sʊ
ˈ
nɑːmi/
noun
plural
tsunamis
Britannica Dictionary definition of TSUNAMI
[
count
]
:
a very high, large wave in the ocean that is usually caused by an earthquake under the sea and that can cause great destruction when it reaches land
:
tidal wave
ASK THE EDITOR
In what ways is the word 'fish' used as singular and plural?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
egotist
:
a person who has the feeling or belief that they are better, more important, more talented, etc., than other people
Learn More »