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suru verb - irregular
to waste time

Conjugated forms
Present, Future 時間を無駄にする, 時間を無駄にします
[does], will [do]
時間を無駄にしない, 時間を無駄にしません
doesn't [do], will not [do]
Past 時間を無駄にした, 時間を無駄にしました
時間を無駄にしなかった, 時間を無駄にしませんでした
didn't [do]
Te-form, Continuative 時間を無駄にして, 時間を無駄にしまして 時間を無駄にしないで, 時間を無駄にしませんで 時間を無駄にしなくて
ON: KUN: とき, -どき
time, hour

Stroke: 10 Grade: 2 JLPT: N4 SKIP: 1-4-6 FC: 6404.4

ON: カン, ケン KUN: あいだ, ま, あい
interval, space

Stroke: 12 Grade: 2 JLPT: N4 SKIP: 3-8-4 FC: 7760.0

ON: ム, ブ KUN: な.い
nothingness, none, ain't, nothing, nil, not

Stroke: 12 Grade: 4 JLPT: N2 SKIP: 2-2-10 FC: 8033.3

ON: ダ, タ
burdensome, pack horse, horse load, send by horse, trivial, worthless

Stroke: 14 JLPT: N1 SKIP: 1-10-4 FC: 7433.3

Parts: (ちち) 時間を無駄にする (じかんをむだにする)
My father is economical of his time.
My father doesn't waste his time.
My father makes good use of his time.

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