What is the meaning of 'stand fast' in the Bible?

Answer 1

The phrase "stand fast" appears 6 times in the Church Epistles and literally means "to remain strong."

I Corinthians 16:13 "Watch ye, stand fast in the faith, quit you like men, be strong."

Galatians 5:1 "Stand fast therefore in the liberty wherewith Christ hath made us free, and be not entangled again with the yoke of bondage."

Philippians 1:27 "Only let your conversation be as it becometh the gospel of Christ: that whether I come and see you, or else be absent, I may hear of your affairs, that ye stand fast in one spirit, with one mind striving together for the faith of the gospel;"

Philippians 4:1 "Therefore, my brethren dearly beloved and longed for, my joy and crown, so stand fast in the Lord, my dearly beloved."

I Thessalonians 3:8 "For now we live, if ye stand fast in the Lord."

II Thessalonians 2:15 "Therefore, brethren, stand fast, and hold the traditions which ye have been taught, whether by word, or our epistle."

Answer 2

It has the meaning of remaining faithful to the truth of the gospel message.