This is the 395th most frequent Malay word.
terbesar
"Terbesar" means "biggest" or "largest" in English.
Here, 'terbesar' is used as a superlative adjective meaning 'largest' to describe Gunung Kinabalu's size relative to other mountains in Malaysia.
Gunung Kinabalu adalah gunung terbesar di Malaysia.
Mount Kinabalu is the largest mountain in Malaysia.
In this context, 'terbesar' acts as a superlative to signify the most significant or outstanding accomplishment of the company.
Projek ini adalah kejayaan terbesar syarikat itu.
This project is the company's greatest achievement.
Here, 'terbesar' is used to qualify the degree of the mistake, indicating it is the most severe or major error experienced in the person's life.