thieving /ˈθiːvɪŋ/adjective 1noun 1forms 1 adjective1 •That thieves; that steals; inclined to stealFrom her point of view, sex itself, or sexual awareness, is the thief that stole away her innocence (which completes the picture of Thomas's totally thieving world). — 1966 noun1 •The action of theft."There's nothing to spend your thievings on up here." — 1910 formsthievings