Constant | Mean of constant in English Dictionary

/ˈkɑːnstənt/

• happening all the time or very often over a period of time
1. He suffers from constant headaches.
2. The noise from the construction was constant [=continuous] from early morning until evening.
3. Her constant chatter was a nuisance.
4. The house is in constant need of repairs.
5. The scar serves as a constant reminder of the accident.
6. a problem demanding constant attention/care
• staying the same
1. The equipment should be stored at a constant temperature.
2. He kept the car's speed constant.
3. She has struggled to maintain a constant weight.
• always loyal
1. They remained constant friends throughout their lives.
2. Their friendship was constant.
• Noun

• something that stays the same
1. Her job was the one constant in her life.
• a quantity or number whose value does not change