Insuperable: meaning, example and synonyms
Insuperableadj. Impossible to overcome or deal with.

Example
For decades the cost of desalination seemed an insuperable obstacle, yet new membrane technology has made it affordable for several coastal cities.
- Part of speech
- adjective
- Synonyms
- insurmountable, overwhelming, unconquerable, impassable
- Antonyms
- surmountable, manageable, conquerable, solvable
- Memory tip
- in- ("not") + super ("over"): a wall you can't get over.
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Check yourself: Insuperable in context
The swamp seemed to pose ______ difficulties for the railway's builders, yet a new method of floating the tracks on timber mats allowed construction to proceed.
Answer: insuperable. "Yet ... allowed construction to proceed" signals that the difficulties had looked impossible to overcome. Difficulties aren't opinionated, hypothetical or dishonest.
Although the language barrier first struck the visiting researchers as ______, within a few months they could conduct interviews without an interpreter.
Answer: insuperable. "Although" sets up a contrast: the barrier seemed impossible to get past, but the researchers soon got past it. Shapeless, dishonest and rigidly opinionated don't create that contrast.