反対の

contradictory: 「発言･話などが論理的に矛盾して両立しないこと」を意味する

contrary: 必ずしも論理的矛盾でなく, 「考え方･信念･目的などの上での基本的な相違」を意味する

opposite: 主に「方向･位置･状態･考えなどが正反対であること」を表す

逆

reverse: 順序・上下・左右・表裏など逆の関係にあること.

opposite: 方向・位置などが正反対であること. 比喩的に性質・傾向などについても用いられる.

contrary: 内容などが強い対立関係にあること.

converse: 論理学, 数学で命題が逆であること.

source: [表情の明暗がはっきりしているGIF画像｜無料GIF画像検索 GIFMAGAZINE 484666]

adjective | ˈkäntrerē |

1. opposite in nature, direction, or meaning:

〈考え･言動などが〉反対の, 逆の, «…に» 反する «to»

e.g. he ignored contrary advice and agreed on the deal.

(of two or more statements, beliefs, etc.) opposed to one another:

e.g. his mother had given him contrary messages.

(of a wind) blowing in the opposite direction to one's course; unfavorable.

｟かたく｠ 〈天候などが〉都合の悪い, 逆の

Logic (of two propositions) so related that one or neither but not both must be true. Compare with contradictory.

2 | kənˈtrerē | perversely inclined to disagree or to do the opposite of what is expected or desired:

｟かたく･非難して｠ 〈人が〉あまのじゃくの, へそ曲がりの, 聞き分けのない

e.g. she is sulky and contrary where her work is concerned.

noun (plural contraries) | ˈkäntrerē |

1. (the contrary) the opposite:

｟かたく｠ ; 〖通例the ～〗 逆, 正反対(のもの, こと)

e.g. the magazine has proved that the contrary is true.

2. Logic a contrary proposition.

conflicting with; counter to:

e.g. contrary to his expectations, he found the atmosphere exciting

e.g. the restrictions were not contrary to the public interest.

used to intensify a denial of what has just been implied or stated: there was no malice in her; on the contrary, she was very kind.

with the opposite meaning or implication: he continued to drink despite medical advice to the contrary.

contrarily | ˈkäntrerəlē, kənˈtrerəlē | adverb

contrariness | ˈkäntrerēnəs, kənˈtrerēnəs | noun

Middle English: from Anglo-Norman French contrarie, from Latin contrarius, from contra ‘against’.