Definition: a source of difficulty
Usage: one trouble after another delayed the job; what's the problem?
Similar words: difficulty
Definition: a factor causing trouble in achieving a positive result or tending to produce a negative result
Usage: serious difficulties were encountered in obtaining a pure reagent
Synonyms: problem
Definition: a question raised for consideration or solution
Usage: our homework consisted of ten problems to solve
Definition: the subject matter at issue
Usage: the question of disease merits serious discussion; under the head of minor Roman poets
Definition: a state of difficulty that needs to be resolved
Usage: she and her husband are having problems; it is always a job to contact him; urban problems such as traffic congestion and smog
Similar words: difficulty
Definition: a condition or state of affairs almost beyond one's ability to deal with and requiring great effort to bear or overcome
Usage: grappling with financial difficulties