lingering

STRONGEST

abiding constant continuing deep-rooted deep-seated enduring ever-present ingrained lasting lifelong persistent protracted recurrent recurring stubborn

STRONG

confirmed fixed incurable obstinate perennial persisting prolonged rooted routine settled sustained

WEAK

ceaseless continual continuous habitual inborn inbred ineradicable inveterate long-lived long-standing tenacious unabating unmitigated unyielding usual

STRONGEST

ending ephemeral fleeting short-lived superficial temporary transient yielding

STRONG

indefinite