insuperableness

English

Etymology

From insuperable +‎ -ness.

Noun

insuperableness (uncountable)

1. The quality of being insuperable or insurmountable; insuperability.

References

• insuperableness in An American Dictionary of the English Language, by Noah Webster, 1828.
• “insuperableness”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.