1 any of the four main periods of the year: spring, summer, autumn/fall and winterthe changing seasons2 the dry/rainy/wet season a period of the year in tropical countries when it is either very dry or it rains a lot
3 a period of time during a year when a particular activity happens or is donethe cricket/hunting/shooting, etc. seasonHe scored his first goal of the season on Saturday.The female changes colour during the breeding season.The hotels are always full during the peak season (= when most people are on holiday/vacation). (British English) the holiday season (North American English) the tourist season (North American English) the holiday season (= the time of Thanksgiving, Hanukkah, Christmas and New Year) (British English) the festive season (= Christmas and New Year) see also close season, high season, low season, off season see also the silly season4 a period of time in which a play is shown in one place; a series of plays, films/movies or television programmesThe play opens for a second season in London next week.a season of films by Alfred Hitchcock5 a period of time during one year when a particular style of clothes, hair, etc. is popular and fashionableThis season's look is soft and romantic.Idioms
in season
1 (of fruit or vegetables) easily available and ready to eat because it is the right time of year for themStrawberries are now in season.2 (of a female animal) ready to reproduceSynonym
on heatout of season
1 (of fruit or vegetables) not easily available because it is not the right time of year for them2 at the times of year when few people go on holiday/vacationHotels are cheaper out of season.season's greetings
used at Christmas to wish somebody an enjoyable holiday

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