공기가 드나들 수 없도록 완전히 밀폐된 상태를 의미한다.
Not allowing air to enter or escape; completely sealed against the passage of gases.
예문:
"To keep the cookies crisp, you must store them in an airtight jar."
"The scientists conducted the experiment inside an airtight chamber to control the environment."
결점이나 빈틈이 없어 반박하거나 공격할 여지가 없는 상태를 비유적으로 이르는 말이다.
Having no flaws, weaknesses, or loopholes; impossible to disprove or attack.
예문:
"The suspect's alibi was airtight, as several witnesses confirmed his location."
"The legal team worked for months to build an airtight case against the corporation."