adjective
1.
a. : interested , solicitous
greatly concerned not to disappoint a small child's expectations
we are not concerned to decide which one of the different schools of social theory is correct — John Dewey
b. : troubled , disturbed , bothered, anxious
a hard man not greatly concerned that his acts lead to misery and indigence for others
reason … to be concerned by the confusions surrounding the old categories of American political thought — August Heckscher
2.
a. : interestedly engaged : involved
a business enterprise in which three men were concerned
too many people are concerned with the bare mechanics of life
concerned with books and music
b. : culpably involved : implicated
intrigues that important men were concerned in
everyone concerned in the bribery case has been identified
3. dialect England : intoxicated — used especially in the phrase concerned in liquor or concerned with liquor
• con·cern·ed·ly -nə̇dlē, -li adverb
• con·cerned·ness -nə̇dnə̇s, -n(d)nə̇s noun -es