intransient

from The Collaborative International Dictionary of English v.0.48

Intransient \In*tran"sient\, a.
   Not transient; remaining; permanent. --Killingbeck.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

40 Moby Thesaurus words for "intransient":
      abiding, age-long, aged, ancient, antique, chronic, constant,
      continuing, diuturnal, durable, enduring, evergreen, hardy,
      immutable, inveterate, lasting, long-lasting, long-lived,
      long-standing, long-term, longeval, longevous, macrobiotic,
      of long duration, of long standing, perdurable, perduring,
      perennial, permanent, perpetual, persistent, persisting, remaining,
      sempervirent, stable, staying, steadfast, tough, unfading, vital