definition nascent.
nascent adj 1 starting to grow or develop; being born 2 (Chem) (of an element or simple compound, esp. hydrogen) created within the reaction medium in the atomic form and having a high activity (C17: from Latin nascens present participle of nasci to be born) â¦ nascence, nascency n. English Collins Dictionary-English Definition & Thesaurus &nbsp. nascent beginning, budding, dawning, developing, evolving, incipient. nascent. beginning, budding, dawning, developing, evolving, incipient.