contra-

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++contra- /kɒntrə $ kɑːn-/ prefix  PREVENTacting against something, or opposite to something 反，防（止） contraceptive devices (=against conception) 避孕用具

Examples from the Corpus

contra-• to contravene somethingOrigin contra- Latin contra “against, opposite”

contra- prefixChinese  

Corpus against to opposite something something, acting or

contra-
contra- /kɒntrə $ kɑːn-/ prefixacting against something, or opposite to something:
    contraceptive devices (=against conception)

contra-BrE /ˈkɒntrə/ 🔊NAmE /ˈkɑːntrə/ 🔊 combining form (in nouns, verbs and adjectives 构成名词、动词和形容词) against; opposite 反对；相反◆contraflow一侧双向行驶◆contradict反驳 (in nouns 构成名词) (music 音乐) having a pitch an octave below 声音低八度的◆a contrabassoon低音大管