at large is an adjective and adverb meaning "having escaped, especially from confinement". It carries 2 recorded senses.
having escaped, especially from confinement
“a convict still at large”
“searching for two escaped prisoners”
“dogs loose on the streets”
“criminals on the loose in the neighborhood”
Definitions, synonyms and semantic relations for at large come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.