irrepressible

[adj] - impossible to repress or control
Found on http://www.webdictionary.co.uk/definition.php?query=irrepressible

Irrepressible

Ir`re·press'i·ble adjective Not capable of being repressed, restrained, or controlled; as, irrepressible joy; an irrepressible conflict. W. H. Steward.
Found on http://www.encyclo.co.uk/webster/I/98

irrepressible

uncontrollable adjective impossible to repress or control; `an irrepressible chatterbox`; `uncontrollable laughter`
Found on https://www.encyclo.co.uk/local/20974

Irrepressible

• (a.) Not capable of being repressed, restrained, or controlled; as, irrepressible joy; an irrepressible conflict.
Found on http://thinkexist.com/dictionary/meaning/irrepressible/
No exact match found