- The period of one's life in which one is a toddler
- We've been friends ever since toddlerhood.
- 2014, Rebecca Ley, "City versus country childhoods", The Guardian, +201 December 2014:
- And, like most boring mothers, I fret about schools. Where I grew up, everyone went to the nearest village primary school and the local comprehensive. But here, since the earliest days of Isobel’s toddlerhood, my friends and acquaintances have been engaged in an arms race.