What does “the lion’s share” mean?

“The lion’s share” is an expression that means most of or the majority (but not all).

It is a somewhat formal expression suitable for workplace and academic writings and presentations.

Examples:

“The eldest son received the lion’s share of the inheritance.”

“Without a doubt, Kathleen, who has served as my advisor over these past five years, deserves the lion’s share of my gratitude.”

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