No, the words "brilliantly happy" is NOT a metaphor and this is because, first of all, it does not make any descriptions.
Another reason is that the two things are dissimilar in any way and this is most likely the use of adjectives as the word "happy" is an adjective, while "brilliantly" is an adverb.
This refers to the figure of speech that makes direct comparisons between two dissimilar things.
Hence, we can see that the words "brilliantly happy" is NOT a metaphor and this is because, first of all, it does not make any descriptions.
Some examples of a metaphor are:
Read more about metaphors here:
https://brainly.com/question/9418370
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