Cease-Less
Continual
Constant
Everlasting
Uninterrupted
Durable
Lasting
Permanent
Persistent
Short-Lived
Impermanence
Terminable
Transitory
Interval
Intermission
Dynasty
Decade
Epoch-Making
Generation
Archaic
Ancestral
By-Gone
Obsolate
Retrospective
Contemporary
Simultaneous
Aforesaid
Antecedent
Former
Forerunner
Anticipation
Introductory
Presage
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