adjective
1.
being one rather than another or more
went to the same hotel each summer
Synonyms: exact, identical, selfsame, very
Related Word: comparable, like, similar
Antonyms: different
2.
agreeing fundamentally or absolutely
all the family have the same dark eyes
Synonyms: duplicate, equal, equivalent, identic, identical, indistinguishable, tantamount; compare like
Related Word: comparable, like, similar; coequal
Antonyms: different
3.
not changing or fluctuating
treated everyone with the same courtesy
Synonyms: consistent, constant, invariable, unchanging, unfailing, unvarying
Contrasted words: changeable, fluctuant, inconsistent, inconstant, irregular, variable, varying