At risk; exposed; unsafe; unprotected; unguarded; vulnerable; insecure; harmful; dangerous.
It's "dangerous".
Vulnerable!
The opposite of drive safe is careless driving.
For persons, the opposite is "loyal." For a situation (perilous), the opposite would be safe or unthreatening.
safe
The opposite could be harmless, innocuous, benign, or safe.
an Antonym is a word considered to be the opposite of another. For example the word "safe" is an antonym of "dangerous".
The opposite of drive safe is careless driving.
The antonym for safe is dangerous.
For persons, the opposite is "loyal." For a situation (perilous), the opposite would be safe or unthreatening.
Safe, or secure.
safe
To endanger
The best candidate for that would be safe.
I suppose the opposite would be a healthy and safe animal. If it has to be one word, perhaps "healthy."
SAFE
unsafe the lack or absence of safety
The opposite could be harmless, innocuous, benign, or safe.
For the verb "secure"- the opposite of secure (to fasten) is to release or detach- the opposite of secure (to obtain) is to lose or forfeitFor the adjective "secure" (safe, protected), the opposite in insecure, non-secure, unsafe, unprotected, or threatened.