Search Result for "uncheckable": 
Wordnet 3.0

ADJECTIVE (1)

1. incapable of being checked or restrained; 



The Collaborative International Dictionary of English v.0.48:

Uncheckable \Un*check"a*ble\, a.
   Not capable of being checked or stopped. [R.]
   [1913 Webster]


WordNet (r) 3.0 (2006):

uncheckable
    adj 1: incapable of being checked or restrained