obligedEnglishOxford American Thesaurusobliged adjective if you should hear from her I'd be obliged if you'd let me know: thankful, grateful, appreciative; beholden, indebted, in someone's debt, under an obligation, obligated.□ much obligedthank you, thanks, many thanks, thanks a lot, thanks very much, thank you kindly; informal cheers, thanks a million; British, informal ta.