How to say "momentarily" in Japanese

• そろそろJLPT N4approx.Common
  adverb (with と)Covers 'momentarily' as 'any time now': something is on the verge of happening. A common mimetic adverb with a gradual, 'it's about time' feel, as when deciding it is time to leave or begin.
  そろそろ寝ねる時間じかんだぞ。↗

  It's time you went to bed.
• そろっと
  adverbCovers the same 'any time now' sense of 'momentarily' but is less common; when you want that sense, そろそろ is normally the word to use, not this variant.

For 'momentarily,' both words give the 'any time now' sense, not the 'briefly' sense; choose the common 「そろそろ」, with 「そろっと」 as a less common near-equivalent.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• そろそろsoon
• そろっとsoon