“+ adjective
Etymology: un- (I) + stinting, present participle of stint
: not restricting or holding back : giving or contributing freely or generously
teachers who sent in reports on his model lessons were unstinting in their praise — Robertson Davies
called for unstinting support of the United Nations — I.G.Blake
gave his unqualified backing to … unstinting aid to Britain — Roscoe Drummond
• un·stintingly “+ adverb