CONTRA-


Meaning of CONTRA- in English

/ ˈkɒntrə; NAmE ˈkɑːntrə/ combining form

1.

(in nouns, verbs and adjectives) against; opposite :

contraflow

contradict

2.

(in nouns) ( music ) having a pitch an octave below :

a contrabassoon

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WORD ORIGIN

from Latin contra against.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.