Doubtful
Doubtful adjective - Not feeling sure about the truth, wisdom, or trustworthiness of someone or something.
Off-course and doubtful are semantically related. In some cases you can use "Off-course" instead an adjective "Doubtful".
Off-course
Doubtful and off-course are semantically related. Sometimes you can use "Doubtful" instead an adjective phrase "Off-course".
Cite this Source
Off-course and Doubtful. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/doubtful/off-course
Doubtful & Off-course. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/doubtful/off-course>.
Off-course or Doubtful. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/doubtful/off-course.