Big vs large

Big and large both refer to something/someone that is of a more than average size, extent or capacity.

They live in a big/large house which has 10 bedrooms and five bathrooms.

My husband comes from a big/large family. He has four brothers and two sisters.

However, big also means important:

My company organises a big event for its customers every year.

Don’t worry about arriving late. It’s no big deal. (No tiene importancia).

Big also means ‘older’:

My big brother is five years older than me.

Big and large are also used in the following expressions:

to be a big mouth = a person who is indiscreet or boastful.

to be too big for one’s boots = to be arrogant

to be larger-than-life = impressive, amazing

Think big = be ambitious