Do you really want to send Webster 1913 a message saying you like their work?
Ir*re"me*a*ble (?), a. [L. irremeabilis; pref. ir- not + remeabilis returning, fr. remeare: cf. F. irr'em'eable. See Remeant.]
Admitting no return; as, an irremeable way.
Dryden.
© Webster 1913.