i Register
In some senses, kiasu is marked as derogatory, colloquial. Watch for register when choosing this word.
adj
Afraid to lose out, particularly because one is overly competitive.
No wonder the parents acted that way, she said. They were just being kia-su (afraid to lose out).
The kia-si/kia-su ("afraid to die/afraid to lose") attitude of the Totalisator Boards in Malaysia and Singapore is deplorable.
noun
A kiasu person.
Apart from the kiasis and kiasus, there are also Singaporeans at the other end of the scale – the healthcare workers who put their lives at risk.