0 past simple and past participle of climb
1 to go up, or to go towards the top of something:
2 to move into or out of a small space awkwardly or with difficulty or effort:
It would be crazy to try to climb the mountain in this weather.
We had to climb over a ten-foot wall to get into the garden.
Weighed down with supplies, they found the steep path difficult to climb.
Many millions of years ago, our ancestors climbed out of the primeval ooze onto dry land.
We all climbed onto the bus.