adjective
wistful
WIST-ful/ˈwɪstfl/
Feeling quiet sadness and longing for something.
The wistful man studies his friend's empty place beside the shared photograph.

Etymology
Wistful may come from obsolete wistly, “intently,” but that connection and wistly’s own origin are uncertain. The established sense of longing pensiveness describes thought colored by yearning.
In context
That kind of warm, maybe a little wistful pull towards the past, nostalgia. Mhm. It's pretty universal. Yeah. Sometimes it feels really comforting, like a warm blanket, but other times maybe a bit sad
More examples
- He gives a wistful smile when someone mentions his hometown.
- Rainy afternoons make me wistful for summers at the lake.
- There is a wistful tone in her voice as she describes the trip she never took.
Forms
wistful
wistfully adverb — With quiet sadness and longing.
wistfulness noun — A feeling of quiet sadness and longing.
Similar words
- nostalgic
- Specifically longs for the past, rather than anything desired.
- melancholy
- Emphasizes lingering sadness without necessarily including longing for something.