the light of someone's life
idiom
: a person someone loves very much and who makes him or her happy
His daughter is the light of his life.
Cite this Entry
“The light of someone's life.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20light%20of%20someone%27s%20life. Accessed 6 Jul. 2025.
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Merriam-Webster unabridged
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