fortysomething

noun 0.752

sixtysomething

noun 0.748

fiftieth

noun 0.689

half-century

noun 0.681

thirtysomething

noun 0.648

fifty-ninth

noun 0.607

fifty-first

noun 0.606

fifty-sixth

noun 0.603

twentysomething

noun 0.601

fifty-fourth

noun 0.597

fifty-eighth

noun 0.574

senior citizen

noun 0.562

fifty-fifty

noun 0.559

sexagenarian

noun 0.556

fiver

noun 0.548

40s

noun 0.548

old fart

noun 0.540

old folks

noun 0.532

sixtieth

noun 0.530

fifth

noun 0.529

50 cent

noun 0.529

sixty-fifth

noun 0.528

five-hundredth

noun 0.528

forty-ninth

noun 0.525

senior

noun 0.522

golden jubilee

noun 0.522

five-nine

noun 0.519

five and nine

noun 0.519

elderly

noun 0.517

old fogey

noun 0.517

fifer

noun 0.516

somesuch

noun 0.512

number five

noun 0.512

baby boomer

noun 0.511

half past

noun 0.506

septuagenarian

noun 0.504

eighty-fifth

noun 0.503