This is the 7577th most frequent Japanese word.
切なく
"切なく" means "heart-wrenching" or "painfully emotional."
In this sentence, '切なく' expresses a feeling of being emotionally affected in a bittersweet and melancholic way, highlighting the speaker's deep emotional impact by her expression.
彼女の切なく微笑む姿が忘れられない。
I cannot forget her wistful smile.
Here, '切なく' describes the deeply emotional and impactful nature of the music, indicating how it resonates with the listener's emotional state.
切なく響く音楽が心を揺さぶる。
The heartrending music deeply moves my soul.
'切なく' in this context conveys the bittersweet and poignant remembrance of past love, emphasizing the emotional response to the memory.