constant
adjective
1. unvarying in nature
- maintained a constant temperature
Similar word(s): invariable, changeless, invariant, unvarying
2. steadfast in purpose or devotion or affection
- a man constant in adherence to his ideals
- a constant lover
- constant as the northern star
Similar word(s): unchangeable, immutable, staunch, steadfast, unswerving, unfailing, unflagging, faithful, stable, invariable
3. uninterrupted in time and indefinitely long continuing
- in constant pain
Similar word(s): continuous, uninterrupted, ceaseless, incessant, perpetual, unceasing, unremitting
noun
1. a quantity that does not vary
Similar word(s): invariable
Definition categories: thought, quantity
2. a number representing a quantity assumed to have a fixed value in a specified mathematical context
- the velocity of light is a constant