Synonyms: unaltered, unchanged
Definition: remaining in an original state
Usage: persisting unaltered through time
Similar words: timeless, dateless
Definition: unaffected by time
Usage: few characters are so dateless as Hamlet; Helen's timeless beauty
Similar words: in-situ, unmoved
Definition: being in the original position; not having been moved
Usage: the archeologists could date the vase because it was in-situ; an in-situ investigator
Similar words: unedited
Definition: not changed by editing
Similar words: unreduced
Definition: not altered by reduction
Similar words: unrevised
Definition: not improved or brought up to date
Usage: the book is still unrevised
Synonyms: unchanged
Definition: not made or become different
Usage: the causes that produced them have remained unchanged
Similar words: idempotent
Definition: unchanged in value following multiplication by itself
Usage: this matrix is idempotent
Similar words: same
Definition: unchanged in character or nature
Usage: the village stayed the same; his attitude is the same as ever