Let’s learn about "겁나”

이거 겁나 좋습니다 진심(으로) : This is really good. Sincerely

[other expressions]

- 이거 겁나 좋다. 진심(으로) (to younger people or friends)

- 이거 겁나 좋네 진심(으로) (to younger people or friends)

- 이거 겁나 좋아 진심(으로) (to younger people or friends)

- 이거 겁나 좋네요 진심(으로) (honourific by ‘요’)

- 이거 겁나 좋아요 진심(으로) (honourific by ‘요’)

- 이거 겁나 좋습니다 진심(으로) (formal; more honourific by ‘스’)

[explanations]

* 이 : this

* 거 / 것 : a thing

* 이거 / 이것 : this (thing)

* -는 : a particle makes 이거 subjective after a word ends in a vowel; this omitted

* -은 : a particle makes 이것 subjective after a word ends in a consonant; this omitted

* 겁나 / 겁나게 : [=굉장히•아주•매우•엄청] really

* 좋은 : good; nice

* 좋다 : be good; be nice

* 좋습니다 : 좋(the stem of  좋다) + -스(a suffix makes  a verb more honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

* a verb + -다 / -네 / -아 : a non-honourific descriptive verb ending suffix

* a verb + -네 / -아 + -요 : an honourific verb ending suffix

* a verb + -습니다 / -ㅂ니다 : an honourific descriptive verb ending suffix by ‘스’ / ‘-ㅂ’

* 진심 / 진심으로 : with the whole [true] heart; in sincerity