GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 624 stellar (adj) Pertaining to the stars steppe (n) One of the extensive plains in Russia and Siberia sterling (adj) Genuine stifle (v) To smother stigma (n) A mark of infamy or token of disgrace attaching to a person as the result of evil- doing stigmatize (v) to characterize or make as disgraceful stiletto (n) A small dagger stimulant (n) Anything that rouses to activity or to quickened action