to be on the safe side

to be on the safe side

In order to avoid potential problems or challenges. This phrase is typically used without conjugating the infinitive "to be." I made an extra batch of brownies, just to be on the safe side in case we have more guests than we anticipated.
See also: on, safe, side

to be on the safe side

to be safe; to be cautious; [to do something just] in case it is necessary; to be very well prepared. To be on the safe side, carry some extra money in your shoe. I like to be on the safe side and stay in my hotel room at night.
See also: on, safe, side

to be on the safe side

COMMON If you do something to be on the safe side, you do it to protect yourself from harm or trouble, although it is unlikely to be necessary. I didn't think it was serious but I took her to the doctor's just to be on the safe side. You probably won't need planning permission for such a project, but to be on the safe side, check with your local planning department.
See also: on, safe, side

to be on the safe side

in order to have a margin of security against risks.
2000 Tom Clancy The Bear and the Dragon To be on the safe side, the messages were super-encrypted with a 256-bit system specially made at the National Security Agency.
See also: on, safe, side

to be on the ˈsafe side

to be careful or prepared; just in case something unpleasant or unexpected happens: I’ll go and check that the gas is off, just to be on the safe side.You’d better take an umbrella, to be on the safe side.
See also: on, safe, side