Synonyms of eccentrically

2 Syllables
slapdash
3 Syllables
fitfully, jerkily, anyhow
4 Syllables
uncommonly, willy-nilly, unpunctually, bizarrely, infrequently, helter-skelter, capriciously, uncertainly, unevenly, haphazardly, peculiarly
5 Syllables
disconnectedly, inconsistently, sporadically, occasionally, periodically, spasmodically, erratically, irregularly
6 Syllables
unmethodically