"boundless warmth" is a correct and usable phrase in written English.
You can use it to refer to a feeling of warmth that is without end or limitless. For example: "The crowded room was filled with boundless warmth as the hosts welcomed their guests."
For more than three decades, we treasured Bunny for her boundless warmth and delight.
We will all miss her boundless warmth, her rapier wit, incisive humor, outspokenness and erudition.
She will be forever remembered as an extraordinary woman whose boundless warmth, generosity and passion for life touched many hearts.
We remember her warmth, boundless kindness, big smile, and love of music.
She is survived by her cherished daughter and son-inlaw, Randy and Robert Deutsch, her much adored grandson, Adam, as well as countless friends and neighbors upon whom she bestowed her warmth, boundless generosity and love.
We're left with memories of your warmth and boundless love.
She set down roots in New York, living her life with gusto, intelligence, warmth, and boundless love for all her family.
Herman's deep commitment to the Jewish people and other humanitarian causes were an expression of his warmth and boundless generosity.
Timothy Bateson, who has died aged 83, was a character actor of boundless versatility and great warmth of personality who will always be remembered for playing Lucky in the controversial British premiere of Samuel Beckett's Waiting for Godot at the Arts Theatre, London, in 1955.
His warmth, eloquence and boundless advocacy will be deeply missed.
Ours was that way and Marilyn, who looked to Marty as the brother she never had, and our Eileen, Stacy and Sam, Scott and Whitney all shared his paternal care and warmth, which was boundless.
