inexpressi-f, -ve, adj., inexpressive, lacking expression.
inexprimable, adj., inexpressible, unutterable, unspeakable.
inexpugnable, adj., inexpugnable, impregnable.
inextensible, adj., inextensible; inextendible.
in extenso (i-nèks-tin-sô), adv., in extenso, fully, at full length.
inextinguible (-gu-i-), adj., inextinguishable, unquenchable. Soif —; quenchless thirst.
in extremis, adv. V. extremis (in).
inextricable, adj., inextricable.
inextricablement, adv., inextricably.
*infaillibilité, n.f., infallibility.