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(dragging a large or heavy item) slowly
(falling) little by little; (slipping) gradually; (drawing back) slowly; with a slither
on and on; while putting off; slovenly; interminably
with a slurp; with a sniffle
loose; lax; inconclusive; unresolved
問題をずるずる先延ばしにしてはいけない。
You shouldn't keep postponing the problem.
ずるずると時間だけが過ぎていって困った。
Time just kept dragging on and I was troubled.
ずるずると関係を続けるのはよくないと思う。
I don't think it's good to drag on the relationship.