UNCHECKED
unbridled, unchecked, uncurbed, ungoverned
(adjective) not restrained or controlled; “unbridled rage”; “an unchecked temper”; “ungoverned rage”
Source: WordNet® 3.1
Etymology 1
Adjective
unchecked (not comparable)
Unrestrained, not held back.
Not examined for accuracy, efficiency, etc.
(chiefly computing) Of a check box: not checked (ticked or enabled).
(crossword puzzles) Of a square: part of only one entry (that is, across or down, but not both).
Synonyms
• (unrestrained): uncontrolled
Etymology 2
Verb
unchecked
simple past tense and past participle of uncheck.
Source: Wiktionary