adverb
Etymology: Middle English grevously, from grevous + -ly
: in a grievous manner or to a grievous degree : flagrantly , seriously
the prison population has grievously increased in the last fifteen years — Times Literary Supplement
adverb
Etymology: Middle English grevously, from grevous + -ly
: in a grievous manner or to a grievous degree : flagrantly , seriously
the prison population has grievously increased in the last fifteen years — Times Literary Supplement
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012