uniform is on the Academic Word List.

Pronunciation change

Noun change

Singular
uniform

Plural
uniforms

 
school uniform
  1. (countable & uncountable) A uniform is clothing that is very similar and worn by a group of people.
    All the young army men wore identical uniforms and badges of rank.
    School uniform was always worn, which for the boys meant khaki shirts and trousers.
    When I was a child, I was afraid of men in uniform: policemen, firemen, even the milkman.

Adjective change

Positive
uniform

Comparative
more uniform

Superlative
most uniform

  1. If something is uniform, there is no variation in it.
    It was designed to be uniform from one end to the other.
    The increase in grades has been uniform across all subjects except math.

Related words change