unwistful
/ˌʌnˈwɪstfl/Definitions
1. adjective
Lacking the quality of being wistful; not nostalgic or sentimental.
“She described her childhood as unwistful, untouched by the melancholy that often accompanied her adult memories.”
2. noun
A lack of wistfulness; the absence of nostalgia or sentimental longing.
“The unwistfulness of his personality made him difficult to connect with on an emotional level.”