problematical

prob·lem·at·ic  (prbl-mtk) also prob·lem·at·i·cal (--kl)

adj.

1. Posing a problem; difficult to solve: a repair that proved more problematic than first expected.

2. Open to doubt; debatable: "if you ever get married, which seems to me extremely problematic" (Oscar Wilde).

3. Not settled; unresolved or dubious: a problematic future.

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problem·ati·cal·ly adv.

Thesaurus

Adj.	1.	problematical - open to doubt or debate; "If you ever get married, which seems to be extremely problematic" debatable, problematic questionable - subject to question; "questionable motives"; "a questionable reputation"; "a fire of questionable origin"
	2.	problematical - making great mental demands; hard to comprehend or solve or believe; "a baffling problem"; "I faced the knotty problem of what to have for breakfast"; "a problematic situation at home" baffling, knotty, problematic, elusive, tough difficult, hard - not easy; requiring great physical or mental effort to accomplish or comprehend or endure; "a difficult task"; "nesting places on the cliffs are difficult of access"; "difficult times"; "why is it so hard for you to keep a secret?"

Translations

problematical [ˌprɒbləˈmætɪk^əl] adj → problématique
problem-free [ˌprɒbləmˈfriː] adj → sans problème
problem page n → courrier m du cœur
problem-solving [ˈprɒbləmsɒlvɪŋ] n → résolution f de problèmes
an approach to problem-solving → une approche de la résolution de problèmes