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increasingly; more and more; decreasingly (when declining); less and less
競争が増増激しくなって大変な状況だ。
Competition is becoming increasingly fierce, creating a tough situation.
仕事の量が増増増えて残業が続いている。
The workload is increasing more and more, leading to continuous overtime.
人気が増増高まっている。
The popularity is increasing more and more.