widening /ˈwaɪdənɪŋ/adjective 1noun 1forms 1 adjective1 •Growing wider or farther apart.The widening gap between rich and poor creates social problems. noun1 •The action of the verb widen.She looked up sleepily and asked me what it was, and with the very words I thought she drew in her breath with a widening of the nostrils and seemed to come suddenly and fully alive. — 1887 formswidenings