Meaning of いきなり in Japanese

Definition of いきなり

いきなり(ikinari) · ゆきなり(yukinari) 【行き成り ·行成り ·行き成 ·行成】

いきなり本人ほんにんに誰何すいかするのも無粋ぶすいと考えました。

I thought it would be boorish to challenge his identity without warning.

"What? Are you doubting us?" "B-but, that is, suddenly 'spirit world', 'magical beings' - it's strange to ask me to believe."

He suddenly started doing an impression of an announcer and we all cracked up.

After the hatchet job my boss did on my proposal, I'm not sure how long I want to keep on working here.

The taxi abruptly turned left.

You can't just come in here and start ordering people around.

いきなり解雇かいこを言い渡された。

I was discharged without notice.

Ms Sato is no lightweight. I just saw her chug three bottles of beer.

「女おんなも肉も腐りがけが美味い」と課長かちょうはいきなり言いだした。

The section chief said out of the blue: "Women and meat, I like them a little rotten".