Meaning of しつこい in Japanese

Reading and JLPT level しつこい, しつっこい JLPT 2

Romaji shitsukoi, shitsukkoi

Examples of , しつこい, しつっこい in a sentence

会場に着くと早速担当者に「この絵は将来必ず値が上がる。」などとしつこく言われ、契約書にサインしてしまった。

When I reached the hall right away the person in charge unrelentingly said things like "This painting is certain to increase in value in the future," and I went and signed the contract.
ホントしつこいなぁ、しのぶさん。なんか根負けしそう。

She's really persistent, Shinobu is. I think I might be out-stubborned.
幼稚な説得とは、人をしつこく、そそのかしていた。

Crude persuasion is to persistently egg someone on.
彼らは金をくれとしつこく親にねだる。

They importune their parents for money.
彼らはしつこく要求した。

They were urgent in their demand.
彼は僕に即答をしつこく求めた。

He pressed me for a prompt reply.