いよいよ
いよいよ
adverb
finally; at last; more and more
1.
finally; at last; at long last
Indicates that something anticipated is about to happen or has begun.
2.
more and more; increasingly
Indicates that something is intensifying or becoming more pronounced.
TWO MAIN MEANINGS:
1) "Finally/at last" - Used when an anticipated moment arrives
2) "More and more" - Indicates intensification
NUANCE: Often carries a sense of anticipation, excitement, or urgency. Can imply that something important is about to happen after a period of waiting.