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3. cast lot with

cast lot with

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cast your lot with somebody/something

to choose to share in whatever happens to another person or a group If I'm going to cast my lot with this team, I'm going to try to make them as good as possible any way I can.

Etymology: based on the literal meaning of cast your lot (to throw dice or other objects as a way of deciding what will happen)

See also: cast, lot

cast (one's) lot with

To join or side with for better or worse.

See also: cast, lot