The overall ability to use language — speaking, listening, reading, and writing; a common concept in psycholinguistics and education.
留学してから私の言語能力がかなり向上した。
My language ability improved considerably after studying abroad.
幼児の言語能力は家庭環境の影響を受けることが多い。
Children's language ability is often influenced by their home environment.
この試験は受験者の言語能力を測るために作られている。
This test is designed to measure the examinee's language ability.