Off course
Unstable and off course are semantically related. In some cases you can use "Unstable" instead an adjective phrase "Off course".
Unstable
Unstable adjective - Not being in or able to maintain a state of balance.
Off course and unstable are semantically related. Sometimes you can replace phrase "Off course" with "Unstable", this terms are similar.
Nearby Word: unstably
Mutual synonyms
Both terms in one sentence
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The ship was en route to a star for disposal, but got off course, so the Searcher essentially had to do this trope with their tractor beam (since the bombs were decayed there were extremely unstable, requiring delicate course changes).
Source: Relocating the Explosion
Cite this Source
Unstable and Off course. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/off_course/unstable
Off course & Unstable. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/off_course/unstable>.
Unstable or Off course. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/off_course/unstable.
Google Ngram Viewer shows how "off course" and "unstable" have occurred on timeline