unpredictably

adverb unpredictably

• capriciously — subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.
• coincidentally — You use coincidentally when you want to draw attention to a coincidence.
• eccentrically — deviating from the recognized or customary character, practice, etc.; irregular; erratic; peculiar; odd: eccentric conduct; an eccentric person.
• erratically — In an erratic manner; unsteadily or randomly, unpredictably.
• illogically — In an illogical manner, without following methods of sane and correct reasoning, in a manner lacking thought or logic.