Yup in English dictionary yup Meanings and definitions of "Yup" (informal) Yes. A yes; an affirmative answer. noun (informal) A yes; an affirmative answer. informal yes more Grammar and declension of Yup yup ( plural yups) yup ( not comparable) yup (plural yups) more YUP Meanings and definitions of "Yup" abbreviation Yale University Press abbreviation Young urban professional more Yup Sample sentences with "Yup" Declension Stem Try again Available translations Albanian Arabic Berber Bulgarian Chinese Cornish Czech Dutch Egyptian Arabic Finnish French German Hungarian Indonesian Italian Japanese Korean Kurdish Kurmanji Norwegian Persian Polish Portuguese Russian Serbo Croatian Slovak Spanish Swedish Tagalog Turkish Urdu Authors