not characteristic of or befitting a profession or one engaged in a profession; "described in unprofessional language so that high school students could understand it"; "was censured for unprofessional conduct"; "unprofessional repairs"
worn to shreds; or wearing torn or ragged clothing; "a man in a tattered shirt"; "the tattered flag"; "tied up in tattered brown paper"; "a tattered barefoot boy"; "a tatterdemalion prince"
lacking in interest or care or feeling; "the average American...is unconcerned that his or her plight is the result of a complex of personal and economic and governmental actions...beyond the normal citizen's comprehension and control"; "blithely unconcerned about his friend's plight"
not occupied or engaged with; "readers unconcerned with style"
easy in mind; not worried; "the prisoner seems entirely unconcerned as to the outcome of the examination"