a warmhearted feeling
"Her kindness radiated a genuine warmth that made everyone in the room feel welcomed."
a quality proceeding from feelings of affection or love
"Her voice held such warmth as she thanked her friends for their support during difficult times."
A moderate degree of heat; the sensation of being warm.
"The sunlight streaming through the window brought a gentle warmth to the cold room."
In plain English: Warmth is how much heat something has, making it feel cozy and comfortable to touch.
"The fire in the hearth provided enough warmth to keep us comfortable despite the cold wind outside."
Usage: Use warmth to describe both physical sensations of mild heat and abstract feelings like kindness or friendliness, rather than extreme temperatures. It often pairs with verbs such as "feel," "emit," or "show" depending on whether you are describing a literal temperature or an emotional quality.
From Middle English warmth, warmeth, wermþe, from Old English wiermþu ("warmth"), from Proto-West Germanic warmiþu ("warmness; warmth"), corresponding to warm + -th (abstract nominal suffix). Cognate with Saterland Frisian Waarmte ("warmth"), West Frisian waarmte ("warmth"), Dutch warmte ("warmth"), German Low German Warmte, Warmt ("warmth").