SPORADIC

sporadic

(adjective) recurring in scattered and irregular or unpredictable instances; “a city subjected to sporadic bombing raids”

Source: WordNet® 3.1

Etymology

Adjective

sporadic (comparative more sporadic, superlative most sporadic)

(archaic) (of diseases) occurring in isolated instances; not epidemic.

Rare and scattered in occurrence.

Exhibiting random behavior; patternless.

Anagrams

• caproids, carpoids, picadors

Source: Wiktionary

Spo*rad"ic, a. Etym: [Gr. sporadique. See Spore.]

Definition: Occuring singly, or apart from other things of the same kind, or in scattered instances; separate; single; as, a sporadic fireball; a sporadic case of disease; a sporadic example of a flower. Sporadic disease (Med.), a disease which occurs in single and scattered cases. See the Note under Endemic, a.

Source: Webster’s Unabridged Dictionary 1913 Edition