habitual intoxication; prolonged and excessive intake of alcoholic drinks leading to a breakdown in health and an addiction to alcohol such that abrupt deprivation leads to severe withdrawal symptoms
inquire into; "the students had to research the history of the Second World War for their history project"; "He searched for information on his relatives on the web"; "Scientists are exploring the nature of consciousness"
attempt to find out in a systematically and scientific manner; "The student researched the history of that word"
any feature that is regarded as a sign of status (a particular power or quality or rank); "wearing a tie was regarded as a badge of respectability"
an emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.); "they checked everyone's badge before letting them in"