macrobiotic (adj.)

• abiding
• aged
• ancient
• antique
• chronic
• constant
• continuing
• durable
• enduring
• evergreen
• hardy
• immutable
• inveterate
• lasting
• long-lasting
• long-lived
• long-standing
• long-term
• perdurable
• perennial
• permanent
• perpetual
• persistent
• persisting
• remaining
• stable
• steadfast
• tough
• unfading
• vital