sesquilingual

Meanings

adjectivesesquilingual (not comparable)

not comparablerarePertaining to one language, plus a second in a limited capacity, degree, or content.
Typically, it is believed that this sesquilingual discourse is due to the absence of suitable terms in the inferior language.
1976, Herbert Pilch, Empirical Linguistics, Munich: Francke, published 1976, page 152
1 more example
Ireland's sesquilingual situation is thus the inverse of the 'normal' European situation, where English is the prestige language and the native language of lower prestige.
2007 Hildegard L.C. Tristram, "On the 'Celticity' of Irish Newspapers - A Research Report," in The Celtic Languages in Contact: Papers from the Workshop Within the Framework of the XIII International Congress of Celtic Studies, Bonn, 26-27 July 2007, Universitätsverlag Potsdam, 2007
not comparablerareAble to communicate fluently in one language, but only to a degree in another.
Being already sesquilingual, the Hong Kong Chinese are therefore quite receptive to the teaching of another language.
1978, Joseph Yam Ting Woo, “Bilingualism in Hong Kong: The Orient Anglicized”, in Bilingual Research Journal, volume 2, number 2
2 more examples
'Sesquilingual' is not a mythical animal like the native speaker or foreign learner, but a newfangled term for someone who is good in one language, say English, and only half as...
1993 Jan, Thomas M. Paikeday, “Who needs IPA?”, in English Today, volume 9, number 1, pages 38–42
2004 Bill Sherk, 500 Years of New Words, Dundam, 2004, p. 187. The author of this dictionary coined the term sesquilingual in 1975 to describe people who know one language and part of another, a term that probably applies to the majority of Canadians, who know English and a smattering of French, or vice versa.