The neologism is a guarantee of the continuity of a language
and its contemporaneity with the reality being lived locally and
universally. It can be achieved in various ways that can be
summarized as follows: derivation, metaphorization and
seman
tic expansion. Introducing the phenomenon of neologism
and using appropriate examples in Arabic and in French, linked
with a clarification of their references and aims, will be the
track along which this article will proceed.