思恋 (sī liàn) is a literary and emotionally rich noun meaning 'yearning' or 'pining'—a deep, often tender, longing for someone or something absent, especially a loved one. The first character 思 means 'to think' or 'to reflect', while 恋 means 'to be enamored of' or 'to cling to emotionally'. Together, they evoke the mental and emotional act of thinking about someone with affectionate longing, carrying a sense of quiet sorrow or wistfulness. It is more poetic and less colloquial than common alternatives like 想念 (xiǎngniàn), and frequently appears in classical poetry, songs, and lyrical prose.

This word emphasizes the inner, sustained quality of longing—it’s not fleeting nostalgia but an enduring emotional state rooted in love or attachment. It’s typically used in written or elevated spoken contexts rather than casual conversation. While it can refer to longing for places or ideals, its strongest usage is interpersonal: missing a distant lover, departed family member, or childhood home. Because of its literary weight, it rarely appears in compound verbs or as a predicate without modification (e.g., you wouldn’t say *我思恋他* as naturally as *我思念他*).