Adjective:
akunakwenzeka, ngafanelekanga ukuba yinyani, hlekisa, nokuyicinga, obuzicaceleyo, athinjiweyo, lee, -ngacingelekanga, engalindelekanga, ezisabumbali, azingqinelani, ezingafanelekanga, engahambelaniyo, ezingenangqondo, ezichaseneyo, ngenakuqondwa, luluqilima.
IMPROBABLE.
...whatever remains, however IMPROBABLE, must be the truth."
I believe what you meant to say is, "I give up. He's IMPROBABLE."
Well, if we accept your premise and also accept the highly IMPROBABLE assumption...