Verses with the word instant in the New Testament (4 verses):
And she coming in that instant gave thanks likewise unto the Lord, and spake of him to all them that looked for redemption in Jerusalem.
And they were instant with loud voices, requiring that he might be crucified. And the voices of them and of the chief priests prevailed.
Rejoicing in hope; patient in tribulation; continuing instant in prayer;
2 Timothy 4:2
Preach the word; be instant in season, out of season; reprove, rebuke, exhort with all longsuffering and doctrine.