from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The state of being childish.
- n. Childish behaviour.
from the GNU version of the Collaborative International Dictionary of English
- n. The state or quality of being childish; simplicity; harmlessness; weakness of intellect.
from The Century Dictionary and Cyclopedia
- n. The state or quality of being childish; puerility; simplicity; weakness of intellect: most frequently used in a disparaging sense.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a property characteristic of a child
childish + -ness (Wiktionary)