“Waste of time” in Japanese
Short answer
Waste of time in Japanese is “時間の無駄” (jikannomuda). Full meaning: waste of time.
Other ways to say “Waste of time” in Japanese
暇つぶし
himatsubushi killing time, keeping oneself occupied, time killer; wasting time, waste of time
焼け石に水
yakeishinimizu a drop in the bucket, a drop in the ocean, pointless exercise, waste of time, (something that is) too little, too late
時間つぶし
jikantsubushi killing time, keeping oneself occupied; wasting time, waste of time
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