irrepressible
ir·rep·res·sible
adjective
1.
impossible to repress or control
- “an irrepressible chatterbox”
- “uncontrollable laughter”
Origin
From ir- + repressible.
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.