adjective, formal - possible to deal with successfully

noun - the activity of climbing mountains

noun, informal - a large amount of something

verb, formal - to be placed on top of something tall

verb, formal - to overcome a difficulty or a problem

adjective - happening by accident

adjective - planned for someone or something

adjective - that you are trying to achieve

adverb - in a way that is not planned or thought about

adjective - (of an action, etc.) done without thinking

adverb, formal - by chance, especially a lucky one

adjective, formal - happening by chance, especially a lucky one

noun - unlucky accident or bad luck

noun - the team, competitor, runner, etc. that is expected to win

noun - a person or a thing that you treat better than others