big brother

See also: Big Brother

English

Noun

big brother (plural big brothers)

1. (often childish) A sibling's older brother.

   If you don't give me back my toys I'll tell my big brother!

2. (figurative) Something that is bigger in comparison.
   • 2019 October, Roger Ford, “WCP award - victory for DfT reactionaries”, in Modern Railways, page 32:

     While the little MTU Vee-12s in the Class 800 bi-mode generating units have lower overall emissions than their big brothers in the Class 43 IC125 power cars, in the case of CO₂, when you burn a litre of diesel fuel you get 2.8kg of CO₂. [a possible error in the original text]

3. Alternative form of Big Brother

Translations

a sibling's older brother — see older brother

See also

• big sister
• little brother
• little sister