This causes the perceived social norm to persist without opposition.

Slavery did persist in California even without legal authority.

She would not persist like that without some encouragement.

Malaise persists longer than one week, with or without other symptoms.

'It won't take long,' he persisted without so much as a hint of apology.

Rose laughed, but persisted in her defense, for she did want to finish the absorbing story, yet would not without leave.

But he misses a broader point: no war can persist without public will.

He explained, for instance, why high unemployment can persist without wages falling.

The lesion may persist for three to six weeks without treatment.

As such no village can afford to persist without a blacksmith.