Definition of it'll cost (someone)informal
- I can get the part he needs, but it'll cost him.
used as subject of an impersonal verb that expresses a condition or action without reference to an agent
used with many verbs as a direct object with little or no meaning
: the player in a game who performs the principal action of the game (such as trying to find others in hide-and-seek)
: the amount or equivalent paid or charged for something : price
: the outlay or expenditure (as of effort or sacrifice) made to achieve an object
: loss or penalty incurred especially in gaining something
: to require expenditure or payment
: to require effort, suffering, or loss
: to have a price of
: some person : somebody
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