IPA: /ˈtiːndəm/
KK: /tindəm/
The period in a person's life when they are a teenager, typically between the ages of 13 and 19.
During teendom, many young people experience significant changes in their emotions and relationships.
Teendom is formed from "teen" (derived from the word "teenager," which refers to a person aged between thirteen and nineteen) and "-dom" (a suffix of Old English origin meaning state or condition). The word "teendom" refers to the state or condition of being a teenager.
Think of the word 'teen' to remember that 'teendom' describes the state of being a teenager.