permanent Synonyms

durable lasting perm everlasting constant unending strong standing static stationary staying timeless sustained steadfast steady sure stiff stable settled perennial permanently permeant perpetual persisting persistent quiescent regular resistant reverseless rigid sedentary sempiternal set undying unfailing untreatable set in stone stabile nonreversible nonvolatile intransient unchanged age-long neverending open-ended permanent wave standing committee unfluctuating carved in stone crew cut