changeless
- a not subject or susceptible to change or variation in form or quality or nature
- s unvarying in nature
- s remaining the same for indefinitely long times
- Tall, with a changeless hat crowning her changeless pompadour, she bears a striking resemblance to Britain's Dowager Queen Mary.
- Land, as a physical quantity, seems almost changeless, altering shape only over aeons under the pressures of erosion and volcanic eruption.
- To thousands of visitors who have known and loved Chicago, the city has always seemed changeless.