fluctuatingly
In unstable fashion
In a manner that rises and falls or varies irregularly over time.
The adverb is rare; writers usually prefer alternatives like erratically or variably.
When it does appear: Prices moved fluctuatingly throughout the quarter.
In an inconsistent manner
- sporadicallyAt irregular intervals
- intermittentlyAt irregular intervals
- unpredictablyWithout foreseeable pattern
- irregularlyNot following a pattern
fitfully · haphazardly · capriciously · randomly · episodically · spasmodically · desultorily · discontinuously
In an unsteady manner
- falteringlyIn an unsteady manner
- shakilyIn trembling manner
- tremulouslyIn a quivering manner
- precariouslyIn risky unstable manner
swayingly · quiveringly · unstably · uncertainly · hesitantly · inconstantly
erratically
In an inconsistent manner
- sporadicallyAt irregular intervals
- intermittentlyAt irregular intervals
- unpredictablyWithout foreseeable pattern
irregularly · fitfully · haphazardly · capriciously · randomly · episodically · spasmodically · desultorily · discontinuously · patchily
waveringly
In an unsteady manner
- falteringlyIn an unsteady manner
- shakilyIn trembling manner
- tremulouslyIn a quivering manner
precariously · swayingly · quiveringly · unstably · uncertainly · hesitantly · inconstantly
fluctuatinglysteadily
In constant, unwavering fashion
constantly · uniformly · stably · consistently · unchangingly
fluctuatinglyregularly
At fixed intervals
predictably · reliably · systematically · methodically · rhythmically