subject to sth›likely to have or experience a particular thing, especially something unpleasant: be subject to a charge/fee/tariffYou may be subject to additional bank charges for currency conversion.The company could be subject to a hostile takeover.Income from investment of the capital will be subject to tax.›depending on the stated thing happening: The $1.14 billion project is subject to approval by the board.Outline planning permission has been granted, subject to a public inquiry, for a new 10,000-seat stadium on the land.Tax laws are subject to change.The notice period for clients to leave the agency are subject to contract.›under the political control or authority of something: The casinos are located on tribal lands not subject to state or local laws.
subject to average›INSURANCEused about an insurance agreement when the amount of insurance on a property is less than the real value of the property, so the amount paid out by the company will be reduced: You must adequately insure yourself otherwise you may find yourself subject to average.