Noun

• S: (n) discrepancy, variance, variant (an event that departs from expectations)
• direct hypernym / inherited hypernym / sister term
• S: (n) deviation, divergence, departure, difference (a variation that deviates from the standard or norm) "the deviation from the mean"
• S: (n) variation, fluctuation (an instance of change; the rate or magnitude of change)
• S: (n) change, alteration, modification (an event that occurs when something passes from one state or phase to another) "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago"
• S: (n) happening, occurrence, occurrent, natural event (an event that happens)
• S: (n) event (something that happens at a given place and time)
• S: (n) psychological feature (a feature of the mental life of a living organism)
• S: (n) abstraction, abstract entity (a general concept formed by extracting common features from specific examples)
• S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
• derivationally related form
• S: (n) form, variant, strain, var. ((biology) a group of organisms within a species that differ in trivial ways from similar groups) "a new strain of microorganisms"
• S: (n) random variable, variate, variant, stochastic variable, chance variable (a variable quantity that is random)
• S: (n) version, variant, variation, edition (something a little different from others of the same type) "an experimental version of the night fighter"; "a variant of the same word"; "an emery wheel is the modern variation of a grindstone"; "the boy is a younger edition of his father"

Adjective

• S: (adj) variant (differing from a norm or standard) "a variant spelling"
• S: (adj) variant (exhibiting variation and change) "letters variant in size"