こんな

こんな
pre-noun adjectival
such, like this, this kind of
1. such, like this, this kind of
Indicates something close to the speaker or recently mentioned.
こんな(ほん)(さが)していました。
I was looking for a book like this.
こんなに(むずか)しいとは(おも)わなかった。
I didn't think it would be this difficult.
こんな天気(てんき)()(いえ)にいたい。
On a day with weather like this, I want to stay home.
こんな(ところ)()うとは(おも)わなかった。
I didn't expect to meet you in a place like this.
こんなにおいしい料理(りょうり)()べたことがない。
I've never eaten such delicious food.

こんな is a pre-noun demonstrative meaning 'this kind of' or 'like this.' It always modifies a noun and cannot stand alone as a pronoun.

KO-SO-A-DO SERIES:

  • こんな: like this (near speaker)
  • そんな: like that (near listener)
  • あんな: like that (far from both)
  • どんな: what kind of (question)

GRAMMAR:

  • こんな + noun: こんな(ほん) (a book like this)
  • こんなに + adjective/verb: こんなに(むずか)しい (this difficult)
  • こんなふうに: in this way, like this

NUANCE:
Can express surprise or emotion: こんな(ところ)()うとは (meeting in a place like this — unexpected). Also used for both positive and negative emphasis: こんなにおいしい (this delicious), こんなに大変(たいへん) (this difficult).