The property of being fifteen.

plural of fifteener

(UK, informal) A film assigned an age rating of 15, those under 15 not being permitted to view it. / (bibliography, informal) A book printed in the 15th century.

(UK, fandom slang) The practice of adding swearing to an English anime dub in order to get a higher age classification, which may attract more buyers.

The cardinal number occurring after fourteen (14) and before sixteen (16).

plural of fifteen

Synonym of quinceanera

(colloquial, US, Canada) The amount of body weight (thought to be 15 pounds) gained by a student during their first year of college.

plural of sweet fifteen

(advertising) An agency's fee of 15% commission on the gross charge for advertising space and time, minus 2% of the net amount as a discount for prompt payment.