unmodifiable

English Thesaurus

1. incapable of being modified in form or character or strength (especially by making less extreme) (adj.all)

antonym	:	modifiable,
definition	:	capable of being modified in form or character or strength (especially by making less extreme) (adj.all)

antonym	:	modifiable,
definition	:	capable of being modified in form or character or strength (especially by making less extreme) (adj.all)