expiration
- 01 B2 Upper Intermediate
the end of a period of time when something, like a document or a deal, can be used.
the ending of a fixed period of time for which a contract, license, or agreement is valid.
Simple“Check the expiration date on your passport before you book the flight.”
In context“The legal team was tasked with reviewing all service agreements prior to their expiration to ensure seamless continuity of operations.”
SynonymsAntonyms - 02 B2 Upper Intermediate
the date after which food or medicine is no longer safe or good to use.
the date after which a perishable product is no longer fit for consumption or sale.
Simple“I had to throw the milk away because it was past its expiration.”
In context“Strict regulations require pharmaceutical companies to conduct stability testing to determine the precise expiration of each batch produced.”
Synonymsexpiry datebest before date - 03 C1 Advanced
the act of breathing air out of your lungs.
the act or process of releasing air from the lungs through the nose or mouth.
Simple“The doctor asked the patient to practice slow expiration to help them relax.”
In context“The respiratory therapist monitored the patient's forced expiration volume to assess the extent of the airway obstruction.”
UsageIn medical contexts, it is the opposite of 'inspiration'.
SynonymsexhalationAntonyms - 04 C2 Proficiency
a very formal or polite way to talk about someone dying.
a formal or euphemistic term for the end of a life.
Simple“The old king's expiration was mourned by the entire country for a month.”
In context“The historical records provide a detailed account of the philosopher's quiet expiration in his library, surrounded by his unfinished manuscripts.”
“The recall specifically covers 15ml bottles carrying lot code 2552A and an expiration date of 30 September 2027.”
“Most of the shows I consumed were well past their expiration date, but that didn’t matter.”
From Middle English expiracioun, exspiracioun (“vapor, breath”), from Latin expīrātiōnem, exspīrātiōnem, accusative singular of expīrātiō, exspīrātiō. By surface analysis, expire + -ation.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.