EN

Synonyms for insuperable

  • adjective

Most common

invincible insurmountable impassable unconquerable

All synonyms

Adjective

insurmountable, unconquerable, impassable, invincible, indomitable, undefeatable, unsuperable, unovercomeable, unsurmountable dated rare

Antonyms

surmountable, superable, defeatable

All antonyms of insuperable →

Definitions

  1. adj. 1

    Impossible to achieve or overcome or be negotiated.

Example sentences

  • invincible Tom was long considered an invincible warrior.
  • insurmountable Algeria's economic problems aren't insurmountable.
  • impassable The roads are impassable because of the heavy snow.

Popularity over time

Word1850 → 2019Trend
insuperablefalling
invinciblerising
insurmountablesteady
impassablesteady
unconquerablesteady

Use in printed books, per decade from 1850 to 2019.

By length

10 letters
invincible4, impassable4
11 letters
indomitable5, unsuperable
12 letters
undefeatable
13 letters
unconquerable
14 letters
insurmountable5, unsurmountable, unovercomeable

The small number after each word is its number of syllables (invincible4 = 4 syllables).