Automotive Engineering

noun a material or object that is leakproof

adjective describing something that does not allow liquid or gas to escape

• The new water bottle is designed to be leakproof, ensuring no spills or messes.
• I love using my leakproof lunchbox because I never have to worry about my food leaking out.
• This tumbler is totally leakproof, so you can throw it in your bag without any worries.
• Her argument was leakproof, with no holes for anyone to poke through.

noun a sudden failure or collapse, especially in business or career

verb to fail suddenly or collapse

• The aircraft experienced a flameout during takeoff, causing it to lose power and make an emergency landing.
• My car had a flameout on the highway and I had to call for a tow.
• The party was a total flameout, nobody showed up and the music was terrible.
• The company's new product launch was a flameout, failing to generate any interest or sales.