ETYM Latin ineluctabilis; pref. in- not + eluctabilis to be surmounted, from eluctari to struggle out of, to surmount: cf. French inéluctable. Related to Eluctate.
Impossible to avoid or evade; SYN. inescapable, unavoidable.
Against which it is useless to struggle; irresistible; unavoidable.

Not escapable.

ETYM Latin inevitabilis: cf. French inévitable. Related to In- not, and Evitable.
1. Incapable of being avoided or prevented.
2. Invariably occurring or appearing.

Not avoidable; incapable of being shunned or prevented; inevitable; necessary

In an ineluctable manner.

In such a manner as could not be otherwise; SYN. necessarily, of necessity, needs.

In an unavoidable manner, inevitably, inescapably, necessarily