anon at once, straight away

Mark 1:30 — "anon they tell him of her" — is immediately.

Means: at once, straight awayIn the KJV: 2 timesNo longer in ordinary English

The word behind it

All 2 verses.

But he that received the seed into stony places, the same is he that heareth the word, and anon with joy receiveth it;

But Simon’s wife’s mother lay sick of a fever, and anon they tell him of her.

What does "anon" mean in the Bible?

In the King James Version anon means at once, straight away. Mark 1:30 — "anon they tell him of her" — is immediately.

How many times does "anon" appear in the King James Version?

2 times.

What Greek word is behind "anon"?

Most often εὐθύς (euthýs), Strong's G2117, meaning straight, i.e. (literally) level, or (figuratively) true; adverbially (of time) at once.