그야말로 (geu-ya-mal-lo) – simply/really/truly/literally
This word works like 정말로 but you would usually use this word to exaggerate things.
그야말로 has similar meaning to “literally” in English.
Examples:
김 선생님의 수업은 너무 심심해서 수업 시간마다 그야말로 아비규환이야.
Teacher Kim’s classes are so boring that during every class, it is literally hell.
우리 엄마 만든 음식은 그야말로 하늘이 준 선물 같은 것.
My Mom’s homecooked food is literally like a heaven-sent gift.