Definition of supergiant
: something that is extremely large; especially : a star of very great intrinsic luminosity and enormous size
Recent Examples of supergiant from the Web
Located 600 light-years from Earth, this red supergiant is 700 times wider than our sun and may explode as a supernova anytime within the next few million years.
Based on careful observations of the star’s periodic dimming, scientists believe that the supergiant star must have a mysterious companion that blocks its light periodically.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'supergiant'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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