• WordNet 3.6
    • adj insurmountable impossible to surmount
    • adj insurmountable not capable of being surmounted or overcome "insurmountable disadvantages"
    • ***
Webster's Revised Unabridged Dictionary
    • a Insurmountable Incapable of being passed over, surmounted, or overcome; insuperable; as, insurmountable difficulty or obstacle. "Hope thinks nothing difficult; despair tells us that difficulty is insurmountable ."
    • ***
Century Dictionary and Cyclopedia
    • insurmountable Not surmountable; incapable of being surmounted, passed over, or overcome.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Insurmountable in-sur-mownt′a-bl not surmountable: that cannot be overcome
    • ***


  • Elbert Hubbard
    “There is no failure except in no longer trying. There is no defeat except from within, no insurmountable barrier except our own inherent weakness of purpose.”
  • Source Unknown
    Source Unknown
    “Given a sufficient number of people and an adequate amount of time you can create insurmountable opposition to the most inconsequential idea.”
  • B. Dodge
    B. Dodge
    “No problem is insurmountable. With a little courage, teamwork and determination a person can overcome anything.”
  • Norman Vincent Peale
    “Understanding can overcome any situation, however mysterious or insurmountable it may appear to be.”


Webster's Revised Unabridged Dictionary
Pref. in-, not + surmountable,: cf. F. insurmountable,


In literature:

The difficulties to be overcome seemed insurmountable.
"The River of Darkness" by William Murray Graydon
Still he struggled to overcome the insurmountable obstacles in his way.
"The Black Phantom" by Leo Edward Miller
But our troubles are not insurmountable.
"A Report of the Debates and Proceedings in the Secret Sessions of the Conference Convention" by Lucius Eugene Chittenden
The lofty ranges of the Himalaya interpose an almost insurmountable barrier between them and the clouds of the monsoon.
"The Panjab, North-West Frontier Province, and Kashmir" by Sir James McCrone Douie
It showed that the country presented difficulties which were insurmountable.
"A Modern History, From the Time of Luther to the Fall of Napoleon" by John Lord
An insurmountable barrier forbids!
"Fairy Fingers" by Anna Cora Mowatt Ritchie
It would put an insurmountable wall between them.
"The Snowshoe Trail" by Edison Marshall
How strong is the impulse that carries them through, in spite of these almost insurmountable obstacles!
"Life at Puget Sound: With Sketches of Travel in Washington Territory, British Columbia, Oregon and California" by Caroline C. Leighton
They are not serious or insurmountable in themselves, but they can be made serious by mismanagement.
"The Eugenic Marriage, Vol. 3 (of 4)" by W. Grant Hague
Insurmountable difficulties presented themselves to me.
"My Reminiscences of the Anglo-Boer War" by Ben Viljoen

In news:

How does one follow the seemingly insurmountable.
Fred Below does not see 300 bu./acre as an insurmountable challenge.
Sporting's goal deficit is daunting , but not insurmountable.
If you can laugh at a problem, it may not seem so insurmountable.
Rex Ryan says gap between Jets and Patriots not insurmountable .
Study finds insurmountable gulf between political parties.
Apple Has ` Insurmountable ' Lead in Tablets.
Is his lead really insurmountable .
Reese holds an almost insurmountable lead over top 12 after Day Three.
Reese holds insurmountable lead on Smith Mountain.
An Opening Day Greeting From Andy MacPhail: Competition is " Insurmountable ".
Obstacles could be insurmountable to electrified PUD.
NEW YORK — Nike has severed ties with cyclist Lance Armstrong, citing insurmountable evidence that he participated in doping and misled the company about those activities for more than a decade.
The current problems plaguing government performance seem almost insurmountable.
You had built up one of today's big tasks into something that seemed insurmountable -- but when you get to it, you find that it's incredibly simple.

In science:

Although the Hamiltonian Eq. (5) describing matrix theory and its connection with the supermembrane has been known for some time, this theory was for some time believed to suffer from insurmountable instability problems.
M(atrix) Theory: Matrix Quantum Mechanics as a Fundamental Theory
If negative (or tachyonic) energy states are given a profound role to play in physics, this must be fully understood otherwise we might be faced with insurmountable difficulties at some later stage.
Negative energies and time reversal in Quantum Field Theory
After that, the problem again becomes insurmountable.
Random Variables with Completely Independent Subcollections
N! sequences (at random) with equal probability 1/N! we need a sequence Sc of N! equally probable numbers. But the problem is, we need an arbitrarily long sequence Sc of N! equally probable numbers to generate arbitrarily long sequence of N equally probable numbers. This is not an insurmountable problem.
Human being is a living random number generator
We do not claim that these problems are insurmountable.
Random Oracles in a Quantum World