WordNetOnline
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: doubleclick any word to get it searched!
Adjective constant has 4 senses
 changeless, constant, invariant, steady, unvarying  persistent in occurrence and unvarying in nature; "maintained a constant temperature"; "a constant beat"; "principles of unvarying validity"; "a steady breeze"
Antonym:_{ } variable (indirect, via invariable)
 constant  continually recurring or continuing without interruption; "constant repetition of the exercise"; "constant chatter of monkeys"
Antonym:_{ } sporadic (indirect, via continual)
 constant  steadfast in purpose or devotion or affection; "a man constant in adherence to his ideals"; "a constant lover"; "constant as the northern star"
Antonyms:_{ } inconstant, false, untrue, fickle, volatile
 ceaseless, constant, incessant, neverending, perpetual, unceasing, unremitting  uninterrupted in time and indefinitely long continuing; "the ceaseless thunder of surf"; "in constant pain"; "night and day we live with the incessant noise of the city"; "the neverending search for happiness"; "the perpetual struggle to maintain standards in a democracy"; "man's unceasing warfare with drought and isolation"; "unremitting demands of hunger"
Antonyms:_{ } discontinuous, noncontinuous (indirect, via continuous)
Noun constant has 2 senses
 constant, constant quantity  a quantity that does not vary
_{1} is a kind of quantity
_{1} has particulars: parameter, parametric quantity
 constant  a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
_{2} is a kind of number
_{2} has particulars:  Avogadro's number, Avogadro number; Boltzmann's constant; coefficient; cosmological constant; equilibrium constant; gas constant, universal gas constant, R; gravitational constant, universal gravitational constant, constant of gravitation, G; Hubble's constant, Hubble constant; ionic charge; factor of proportionality, constant of proportionality; speed of light, light speed, c 
