long-term Synonyms

semipermanent semi- permanent long distance long-lasting Lange never-ending unending undying sustained subacute stable protracted protensive prolonged long run long-life in for the long haul multiyear longterm long-drawn-out deep-rooted age-long monthlong longtime longstanding long-standing long-range long-playing persistent persisting immutable forever extended everlasting eternal enduring endless durable diuturnal continuing constant chronic indelible interminable lasting perpetual permanent perennial perdurable long-lived