| n. | 1. | Failure or lack of development. |
| Noun | 1. | nondevelopment - failure of normal development to occur Antonyms: growing, growth, ontogenesis, ontogeny, maturation, development - (biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level; "he proposed an indicator of osseous development in children" |