Synonyms of foolishly

2 Syllables
madly, dumbly, rashly
3 Syllables
laughably, stormily, hurriedly, stupidly, rabidly, frenziedly, headily, absurdly, recklessly, riskily, naively, lavishly
4 Syllables
imprudently, devotedly, comically, obtusely, inanely, turbulently, credulously, incautiously, impetuously, dementedly, deliriously, distractedly, senselessly, unthinkingly, indiscreetly, tumultuously, unwisely, regardlessly, short-sightedly, ludicrously, outrageously, mistakenly, wastefully
5 Syllables
preposterously, precipitously, irrationally, nonsensically, psychotically, ill-advisedly, unpreparedly, precipitantly, injudiciously, ridiculously, incontinently, hysterically, impulsively, inadvisedly, unreasonably, improvidently, profligately
6 Syllables
unintelligently
7 Syllables
inconsiderately