noun, noun which may take the genitive case particle 'no'
semilingual; semilingualism; distractive bilingualism
A technical term in linguistics and education for a person who has not developed full proficiency in any language, often due to incomplete acquisition of a first language before intensive exposure to a second. Used as a noun or with の to modify another noun.
Semilingual children are said to have difficulty expressing complex thoughts in any language.
This paper analyzes the phenomenon of semilingualism in detail.