Sporadic

adjective
spoʊ'rædɪk

Adjective

  • recurring in scattered and irregular or unpredictable instances

    a city subjected to sporadic bombing raids

    See also:DiscontinuousInfrequentNoncontinuous

Dictionary Validity

Tournament Word List (TWL)
Scrabble US
Collins Scrabble Words (CSW21)
Scrabble UK
ENABLE Dictionary
Words With Friends
Combined US/UK Scrabble Dictionary
SOWPODS
North American Scrabble (NWL2020)
NASPA