err on the side of (something)

to choose an action that may be too extreme.

If we're not sure what's needed, let's err on the side of being too prepared.

Usage notes: usually used in the form err on the side of caution: I decided to err on the side of caution and spend less than my full allowance.

• rub someone out
• rub someone's nose in it
• rub someone the wrong way
• rub someone up the wrong way
• rub the wrong way
• rub up the wrong way
• rude awakening
• ruffle feathers
• ruffle someone's feathers
• rule of thumb
• rule out
• rule out something
• rule someone with a rod of iron
• rule the roost
• rule with a rod of iron
• rum do
• rumpy-pumpy
• run across
• run across someone
• run across something
• run a fever
• run afoul of
• run afoul of someone
• run afoul of something
• run after