en ‧ tire S3 W2 /ɪnˈtaɪə $ -ˈtaɪr/ BrE AmE adjective [only before noun]
[ Date: 1300-1400 ; Language: Old French ; Origin: entier , from Latin integer ; ⇨ ↑ integer ]
used when you want to emphasize that you mean all of a group, period of time, amount etc SYN whole :
It was the worst day in my entire life.
The entire staff agreed.
Have you drunk the entire bottle?