irrefragable

About 0.05 uses per million words.

Meaning

1. adjective Which cannot be refuted; clearly right, incontrovertible, indisputable, irrefutable. .mw-parser-output .defdate{font-size:smaller}
2. adjective Which cannot or should not be broken; indestructible.
3. adjective Of a person: obstinate, stubborn.

Similar words

irrefutable undeniable ironclad refragable refutable indubitable undoubtable convincible irrejectable deniable

Often followed by

proof evidence proofs argument testimony arguments truth authority and

Word family

irrefragabilities irrefragability irrefragably