To do or achieve something that is incredibly difficult. I firmly believe that our faith in God can move mountains. I would move mountains to be with you.
If you move mountains you succeed in doing something that is very difficult and requires a lot of hard work. If you get a good team round you, you can move mountains. We should all repeat five times a day, `It is possible to change!' With this belief, you can move mountains. Note: People sometimes say that faith or love can move mountains, meaning that faith and love can be very powerful forces. Here's proof, if it were needed, that faith can move mountains. Note: This is from the proverb `Faith will move mountains', which is based on the words of Jesus to his followers in the Bible: `If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove'. (Matthew 17:20)
move mountains1 achieve spectacular and apparently impossible results. 2 make every possible effort.
In sense 1, the phrase alludes to 1 Corinthians 13:2: ‘And though I have the gift of prophecy, and understand all mysteries, and all knowledge; and though I have all faith, so that I could remove mountains, and have not charity, I am nothing’.