おそるおそる (translations)→ anxiously apprehensively cautiously doubtfully fearfully gingerly nervously reluctantly tentatively timidly
おもむろに (translations)→ carefully deliberately reflectively studious
こつこつと (translations)→ sedulously steadily
じりじりと (translations)→ desperately impatiently nagging scorching
じわじわと (translations)→ inchoate ponderously relentlessly stealthily
すこしずつ (translations)→ gradually
そっと (translations)→ calmly covertly delicately discreetly ease furtive furtively gently guardedly lightly little loosely politely quick quickly quiet quietly secretly silently slight softly stealthy tenderly tentative
そのうちに (translations)→ eventually finally presently preserve shortly someday sometime soon then until
そろそろ (translations)→ about almost high nearly now slow
そろそろと (translations)→ precariously
のそのそ (translations)→ sluggishly wriggling
のっそりと (translations)→ bovine desultorily languid pad stiffly stolidly
のろのろと (translations)→ laboriously wearily
やおら (translations)→ abruptly before till
やがて (translations)→ afterward later long long-run momentarily ultimately while
ゆっくり (translations)→ completely lazy leisure leisurely length patiently soft sound
ゆっくりと (translations)→ distantly pondrously restful slo-mo unhurriedly
ゆったりと (translations)→ comfortably heavily lazily luxuriously relax relaxed
ゆるやかに (translations)→ loose sluggish
緩慢な (translations)→ deliberate lackadaisically
思案げに (translations)→ contemplatively
次第に (translations)→ down progressively steady
重々しく (translations)→ judiciously solemnly stiff
徐々に (translations)→ adaptively all constantly incrementally near
少しずつ (translations)→ imperceptibly
慎重に (translations)→ careful defensively discreet measured patient thoughtful thoughtfully warily
悠然と (translations)→ blithely decorously gracefully stately