Definition of intense
1a
: existing in an extreme degree
The excitement was intense. intense pain
b
: having or showing a characteristic in extreme degree
intense colors
2
: marked by or expressive of great zeal, energy, determination, or concentration
intense effort
3a
: exhibiting strong feeling or earnestness of purpose
an intense student
b
: deeply felt
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Merriam-Webster unabridged
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Time Traveler for intense
The first known use of intense was in the 15th century
See more words from the same century