unchecked

adjective

1. having a pattern of squares; checkered(def 3): a checked shirt.
2. Phonetics. (of a vowel) situated in a closed syllable (opposed to freedef 28).

adjective

1. not prevented from continuing or growingunchecked population growth
2. not examined or inspected

adverb

3. without being stopped or hinderedthe virus could spread unchecked
4. without being examined or inspectedour luggage passed unchecked through customs

adjective

1. having a pattern of small squares
2. phonetics (of a syllable) ending in a consonant

adj.late 15c., from un- (1) “not” + past participle of check (v.). adj.early 15c., “ornamented with a checkered design,” past participle adjective from check (v.2).