思慕 is a literary, moderately formal verb meaning 'to long for' or 'to yearn after'—often with tender, affectionate, or respectful feeling. It combines 思 (sī), meaning 'to think of' or 'to miss', and 慕 (mù), meaning 'to admire' or 'to yearn for'. Together, they convey a deep, emotionally resonant longing that goes beyond simple desire—it carries warmth, reverence, or nostalgic affection, commonly directed toward people (e.g., a departed loved one, a revered teacher) or cherished ideals, places, or times.

The word appears frequently in classical poetry, modern essays, and heartfelt speech—but rarely in casual conversation. It implies sincerity and depth; using it lightly (e.g., for snacks or gadgets) would sound ironic or overly dramatic. While grammatically a verb, 思慕 typically functions as the main predicate in sentences and can take objects directly (e.g., 思慕故乡, 思慕恩师). It does not take aspect markers like 了 or 过 unless in highly stylized writing.