this
//ðɪs//
Determiner
1
Used to identify a specific person or thing close at hand or being indicated or experienced.
This book is mine.
2
Referring to the present time or current situation.
I'm very busy this week.
Antonym
Pronoun
1
Used to identify a specific person or thing close at hand or being indicated or experienced.
This is my friend Sarah.
2
Referring to a specific thing or situation just mentioned.
I don't like this at all.
Antonym
Adverb
1
To the degree or extent indicated.
I didn't know it would be this difficult.