: very large or great
a colossal [=gigantic] statue
Their business partnership turned out to be a colossal [=massive] failure.
The meeting was a colossal [=huge, enormous] waste of time.
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“Colossal.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/colossal. Accessed 14 Apr. 2026.
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