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I am looking for a word or phrase regarding something that is "impossible". I can't seem to put my finger on it, but I am trying to think of the word to describe something that is the top of the top, and thus impossible to achieve?
The only two words I have come up with are elusive and formidable, neither of which really mean what I want them to mean. I want something more clever to put it plainly.
Phrases:
(when) pigs fly
(when) hell freezes over
Unassailable sounds like it might fit the bill.
- Impossible to dispute or disprove; undeniable: unassailable truths.
- Not subject to attack or seizure; impregnable: an unassailable fortress.
thefreedictionary.com
Example sentence:
Liverpool football club are still looking unassailable.
Which is synonymous with:
Defeating Liverpool football club still looks impossible.
Not able to be reached or achieved:
an unattainable goal
A herculean task is an extremely difficult task; an almost impossible undertaking.
