I am a secondary school teacher an love answering question such as this one.
The opposite of safety in fact is danger. Although this is quite obvious, the dictionary , thesaurus and other websites keep this well disguised. So that's your answer: Danger
Hope my answer helped.
In health and safety, as in many other areas, the opposite of proactive is reactive.
what word is opposite of prudent
The opposite of anything is it's absence. Silence would be the opposite of a word spoken.
safety
which is the opposite to the word satisfaccion
There is no opposite to cobble.
This word does not have an opposite.
The opposite of the word "answer" is "question."
The word 'surf' does not have a opposite word.
Opposite word of light
If by 'opposite' you mean the word for someone of the opposite sex who has the same state or condition expressed in the word, then the opposite of 'bachelorette' is 'bachelor'.
An antonym (opposite) of the word rivalry is cooperation.