hyper-competitive
In the ultra-competitive world of figure skating, one mistake can be the difference between a gold medal and failure.
He was at the centre of an ultra-competitive team that won four consecutive world titles.
With its new smartphone, the company was able to get a foothold in an ultra-competitive electronics market.

SMART Vocabulary: related words and phrases

Competing and contending (non-sporting)
as a dare
be one up on someoneidiom
cat
catchup
challenge someone to something/do something
dare
get one up on someoneidiom
give someone/something a run for their moneyidiom
go in for something
go toe to toeidiom
hyper-competitive
jungle
pit
runners and ridersidiom
sharp elbowsidiom
sharp-elbowed
sharpen (something) up
sharpen your elbowsidiom
snap
toe

You can also find related words, phrases, and synonyms in the topics:

Strong-willed