恐きょう縮しゅく至し極ごくConjugationsMeaningsNa-adjectiveNo-adjective1. extremely gratefulKanji used恐fear縮shrink至apex極extremeComposed of恐きょう縮しゅくfeeling (much) obliged; being (very) grateful; being thankful; feeling sorry (for troubling someone); feeling ashamed (e.g. of an error); feeling embarrassed (e.g. by someone's compliments, hospitality, etc.)Noun至し極ごくvery; extremely; exceedingly; quite; most; top; highest; bestAdverb