Synonyms of problem

Noun

1. problem, job, difficulty

usage: a state of difficulty that needs to be resolved; "she and her husband are having problems"; "it is always a job to contact him"; "urban problems such as traffic congestion and smog"

2. problem, question, head

usage: a question raised for consideration or solution; "our homework consisted of ten problems to solve"

3. trouble, problem, difficulty

usage: a source of difficulty; "one trouble after another delayed the job"; "what's the problem?"

Definition and meaning of problem (Dictionary)