Synonyms of sporadic

1 Syllable

few, rare

2 Syllables

weekly, spottier, fitful, random, sparsest, scarce, scarcest, fewest, pimply, monthly, scarcer, hourly, fewer, seldom, spotty, standout, sparser, rarest

3 Syllables

subtilest, orbital, infrequent, unfrequent, scattered, spasmodic, periodic, rarer, subtiler, centennial, spurtive, segmented, unpunctual, uncommon, hit-or-miss

4 Syllables

occasional, nonuniform, desultory, episodic, picaresque, intermittent, irregular, isolated

5 Syllables

semioccasional

6 Syllables

on-again-off-again