persisting Synonyms

dogging sustaining surviving steady steadfast staying be obstinate stable remaining reentering protracting prolonging persistent tenacious tireless unfaltering unflagging long-standing unwavering long-lasting unchanging never-ending unending untiring unremitting unrelenting persistency persevering existing everlasting eternal enduring durable continue continuing continual constant chronic assiduous firm immutable perseverant perpetual permanent perennial perdurable maintaining long-lived living lingering