Entry 1 sense Webster, 1913 Inexperience /ĭnˌ-ĭk-spĭr'-ē-əns/ · In·ex·pe·ri·ence · IPA /ˌɪnɪkspˈɪriːəns/ 01 n. Absence or lack of experience; lack of personal and experimental knowledge; as, the inexperience of youth. 1. Absence or lack of experience; lack of personal and experimental knowledge; as, the inexperience of youth. “Failings which are incident to youth and inexperience.” — Dryden. “Prejudice and self-sufficiency naturally proceed from inexperience of the world, and ignorance of mankind.” — Addison.