immutable
i myooh tuh buhl
- a  not subject or susceptible to change or variation in form or quality or nature
                    
                        
                            
the view of that time was that all species were immutable, created by God 
- Medical authorities are saying that the swine flu virus is fortunately of an immutable strain.
 - Whereas fashion expects an image to be constantly updated, Prada reportedly sank upwards of $100 million into projects that are supposed to be permanent, if not immutable: her .
 - The day is long past when the IQ was revered as some sort of magic number, affixed during childhood as an indelible, immutable badge of mental prowess or dullness.