'Needs' in the Bible

Woe to the world because of offences! For it must needs be that offences come; yet woe to that man by whom the offence comes!

Peter says to him, If I should needs die with thee, I will in no wise deny thee. Likewise said all the disciples also.

But he said to them, I must needs announce the glad tidings of the kingdom of God to the other cities also, for for this I have been sent forth.

but I must needs walk to-day and to-morrow and the day following, for it must not be that a prophet perish out of Jerusalem.

And he must needs pass through Samaria.

Jesus says to him, He that is washed all over needs not to wash save his feet, but is wholly clean; and ye are clean, but not all.

For this corruptible must needs put on incorruptibility, and this mortal put on immortality.

(For where there is a testament, the death of the testator must needs come in.