This is the 4892nd most frequent Japanese word.
生きがい
"生きがい" refers to a sense of purpose or something that makes life worth living.
生きがい in this sentence refers to something that gives life meaning or joy, explaining the speaker's motivation and purpose.
毎日を楽しむことが私の生きがいです。
Enjoying each day is my reason for living.
生きがい in this sentence denotes a motivating factor or emotional satisfaction derived from someone's happiness.
彼女の笑顔を見ることが、生きがいになっています。
Seeing her smile has become my source of purpose.
生きがい in this sentence represents the concept of discovering one's purpose or something that gives life fulfillment.