uniform
u-ni-form
adjective
Remaining the same in all cases and at all times; consistent and unvarying.
"The quality of the product was uniform."
noun
A distinctive set of matching clothes worn by members of an organisation.
"The schoolchildren wore their new uniforms."
Thesaurus
Synonyms: unvarying, single, consistent, homogeneous, homogenous, regular, undifferentiated, dedifferentiated
Antonyms: differentiated, multiform