thirtythir‧ty /ˈθɜːti $ ˈθɜːrti/ ●●● S3 W3 number 
In the thirties, air travel really began to take off.the early/mid/late thirties The family sold the house in the early thirties.3be in your thirties to be aged between 30 and 39early/mid/late thirties She must be in her early thirties by now.4in the thirties if the temperature is in the thirties, it is between 30 degrees and 39 degreesin the low/mid/high thirties a hot day, with temperatures in the low thirties—thirtieth adjective, pronoun: her thirtieth birthday
WORD ORIGINthirty
Origin:
Old English thritig, from thrie ‘three’WORD SETS
AD, advance, verbafter, prepositionafternoon, nounalarm, nounalarm clock, nouna.m., Anno Domini, annual, adjectiveApril, nounAsh Wednesday, nounAug., August, nounautumn, nounautumnal, adjectivebank holiday, nounBC, BCE, biannual, adjectivebicentenary, nounbicentennial, nounbiennial, adjectivebimonthly, adjectivebirthday, nounbiweekly, adjectivebonfire night, nounBoxing Day, nounBritish Summer Time, nounBST, nouncalendar, nouncalendar month, nouncalendar year, nouncarriage clock, nouncentenary, nouncentury, nounChristmas, nounChristmas Day, nounChristmas Eve, nounChristmastime, nounchronograph, nounchronological, adjectivechronometer, nouncircadian, adjectiveclock, nouncrystal, nouncuckoo clock, nouncycle, nouncyclic, adjectivedaily, adjectivedaily, adverbdate, noundate, verbdawn, nounday, nounDec., decade, nounDecember, noundiamond anniversary, noundiamond jubilee, noundinnertime, noundiurnal, adjectived.o.b., due date, noundusk, nounface, nounFather's Day, nounfeast, nounFebruary, nounfortnightly, adjectiveFourth of July, the, Fri., Friday, nounGood Friday, nounGreenwich Mean Time, nounGregorian calendar, nounguy, nounGuy Fawkes Night, nounhalf-hourly, adjectivehalf-yearly, adjectiveHalloween, nounhand, nounHanukkah, nounharvest festival, nounHogmanay, nounhorn, nounhour, nounhourglass, nounhour hand, nounhr, Independence Day, nounJan., January, nounjubilee, nounJuly, nounJune, nounLabor Day, nounleap year, nounlunar month, nounmainspring, nounman-hour, nounMar., March, nounMardi Gras, nounmarket day, nounMaundy Thursday, nounMay, nounMay Day, nounMichaelmas, nounmidday, nounmiddle age, nounmiddle-aged, adjectivemidnight, nounMidsummer Day, nounmidweek, adjectivemillennium, nounmin., minute hand, nounMon., Monday, nounmonth, nounmorn, nounmorning, nounMothering Sunday, nounMother's Day, nounmovable feast, nounnew moon, nounNew Year, nounNew Year's Day, nounNew Year's Eve, nounnight, nounnightfall, nounnighttime, nounnocturnal, adjectiveNoel, nounnoon, nounnoonday, adjectiveNov., November, nounOct., October, nounp.a., Pancake Day, nounPDT, penultimate, adjectiveper annum, adverbper diem, adverbperiodic, adjectivep.m., PST, public holiday, nounquarter, nounquotidian, adjectiveRemembrance Day, nounSat., Saturday, nounschoolday, nounseason, nounsecond, nounsecond hand, nounself-winding, adjectiveSeptember, nounshockproof, adjectivesilver anniversary, nounsilver jubilee, nounsilver wedding anniversary, nounsolar year, nounsolstice, nounspring, nounspringtime, nounstandard time, nounstopwatch, nounsummer, nounsummer solstice, nounsummertime, nounsummery, adjectiveSun., Sunday, nounsundown, nounsunrise, nounsunset, nounsun-up, nountercentenary, nounThanksgiving, nounthirty, numberThursday, nountime, nountime, verbtimepiece, nountimer, nountime signal, nountime warp, nountime zone, nountoday, adverbtoday, nountomorrow, adverbtomorrow, nountonight, adverbtonight, nountriennial, adjectiveTuesday, nountwilight, nounWed., Wednesday, nounweek, nounweekday, nounweekend, nounweekly, adjectiveweeknight, nounWhit, nounWhitsun, nounwinter, nounwintertime, nounwk., wristwatch, nounyear, nounyesterday, adverbyr., Yule, nounYuletide, noun
COLLOCATIONS FROM THE ENTRY The family sold the house in the early thirties. She must be in her early thirties by now. a hot day, with temperatures in the low thirtiesCOLLOCATIONS FROM OTHER ENTRIES
The family sold the house in the early thirties. She must be in her early thirties by now. a hot day, with temperatures in the low thirties (=at exactly 3:00/7:30 etc) Mr Green arrived at six on the dot.
Mr Green arrived at six on the dot.PHRASES FROM THE ENTRY► in the thirtiesPHRASES FROM OTHER ENTRIES► at ten thirty/2 o'clock etc sharp► be thirty-something/forty-something etc► be the wrong side of thirty/forty etc
1the number 302 the thirties (also the '30s, the 1930s) [plural] the years from 1930 to 1939: - Over thirty percent were in their thirties.
- Among these was a tall firebrand of a patriot in his middle twenties.
- Owen and the Victoria Centre Owen is in his middle thirties and his working background is in education.
- While still in his middle twenties, he was offered a teaching position at an Ivy League university.
- You must be in your middle thirties.
In the thirties, air travel really began to take off.the early/mid/late thirties The family sold the house in the early thirties.3be in your thirties to be aged between 30 and 39early/mid/late thirties She must be in her early thirties by now.4in the thirties if the temperature is in the thirties, it is between 30 degrees and 39 degreesin the low/mid/high thirties a hot day, with temperatures in the low thirties—thirtieth adjective, pronoun: her thirtieth birthday