物事に関する様態の副詞 - 時間的マナーの副詞

at exactly the same time

同時に, 同時に行われて

in a manner where two or more things happen together

同時に, 一緒に

at the same time

同時に (どうじに), 同期して (どうきして)

in a way that does not occur at the same time

非同期に, あわせていない形で

considering things from a past point of view

振り返って, 回顧的に

for a limited period of time

一時的に, 暫定的に

in a way that lasts or remains unchanged for a very long time

永続的に, 恒久的に

at the same time

同時に, 並行して

at the same time or alongside something else

同時に, 並行して

without stopping or pausing

絶え間なく（たえまなく）, 途切れることなく（とぎれることなく）

without pausing or taking a break

休まず, 途切れずに

without an end or pause

止むことなく (やむことなく), 絶え間なく (たえまなく)

for an indefinite period of time

永久に, 常に

in a way that continues without any pause

絶えず (たえず), 常に (つねに)

with determination and continuous effort, refusing to give up despite challenges or difficulties

不断に（ふだんに）, 執拗に（しつように）

continuously or regularly happening over a long time

常に, 永続的に

in a way that develops slowly and persists over a long duration

慢性的に (まんせいてきに), 長期的に (ちょうきてきに)

in a way that continues without stopping or interruption

絶え間なく (たえまなく), 継続的に (けいぞくてきに)

without any pause or interruption

継続的に, 連続的に

with determination and without stopping, often in a harsh or unwavering manner

容赦なく（ようしゃなく）, unwaveringに

without interruptions or delays

途切れずに, スムーズに

at irregular intervals, with breaks or pauses in between

intermittently（断続的に）, 時々（時折）

for only a short time

一時的に, 短期間に