Yes, crime-ridden is a correct English adjective. It is used to describe an area where a lot of crime takes place.
No. Unauthentic is the correct adjective.
The English adjective for things or people in the Philippines is Filipino.
correct is itself an adjective
It's synomyn is lock, seal and relinquish
Yes correct is a adjective. Yes
The adjective of noise would be noisy. This is used in English.
English is a proper adjective.
In the US, the adjective is usually spelled cozy(comfortably close, snug).
Correct, abusive is an adjective.
That is the correct spelling of the number 57, but in US English, it is normally hyphenated fifty-seven as an adjective.
"English" is both a noun and an adjective.
The English phrase "Italian meal" is correct as written since English capitalizes the proper noun-related adjective Italian but not the common noun meal.