problem /probˈləm/

1. A matter difficult to settle or solve
2. A source of perplexity
3. A question or puzzle propounded for solution
4. In chess, the question how to win in so many moves beginning with a hypothetical situation
5. A proposition in which something is required to be constructed, not merely proved as in a theorem (geometry)

1. Presenting, posing or constituting a problem
2. Difficult to deal with, intractable

problematˈic or problematˈical adjective

1. Of the nature of a problem
2. Questionable
3. Doubtful
4. (of a proposition) stating what is possible but not necessarily the case (logic)

problematˈically adverb

problematˈics plural noun

Matters that are problematic or that raise questions

probˈlematize or probˈlematise transitive verb

To perceive or treat (a subject) as a problem in need of a solution

probˈlemist noun

A person who composes or solves chess, etc problems

problem child noun

One whose character presents an exceptionally difficult problem to parents, teachers, etc

problem novel or problem play noun

One presenting or expounding a social or moral problem

problem page noun

A page or section in a magazine devoted to dealing with readers' personal problems

problem-solving behaviour noun

The use of various strategies to overcome difficulties in attaining a goal

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