Used almost exclusively attributively (e.g., ‘blowout sale’, ‘blowout preventer’); non-gradable.
Definitions
Characterised by very large discounts or reductions in price (attributive). The store is advertising a blowout clearance event this weekend.
Designed to prevent or deal with an uncontrolled release of oil or gas (attributive). Engineers installed a blowout preventer on the offshore rig.