'Constant' in the Bible

So He gave directions to His disciples to keep a small boat in constant attendance on Him because of the throng--to prevent their crushing Him.

and they were constant in listening to the teaching of the Apostles and in their attendance at the Communion, that is, the Breaking of the Bread, and at prayer.

So when the angel who had been speaking to him was gone, Cornelius called two of his servants and a God-fearing soldier who was in constant attendance on him,

But now that Timothy has recently come back to us from you, and has brought us the happy tidings of your faith and love, and has told us how you still cherish a constant and affectionate recollection of us, and are longing to see us as we also long to see you--

Such persons are mere babes. But solid food is for adults--that is, for those who through constant practice have their spiritual faculties carefully trained to distinguish good from evil.