importune

To make an earnest request of (someone), especially insistently or repeatedly.

To ask for (something) urgently or repeatedly.

To annoy; vex.

To plead or urge irksomely, often persistently.

Importunate.

Unseasonable; inopportune; untimely.

Importunate.

An importunate person; one offensively persistent.

To press or harass with solicitation; ply or beset with unremitting petitions or demands; crave or require persistently.