逆に|ぎゃくに

JLPT N2approx.Neutral
Meaning
  1. 1Conversely; introduces the opposite situation or condition to the one just mentioned.Ex. 1
  2. 2On the contrary; presents an effect or view that runs opposite to a stated claim or expectation.Ex. 2
Formation

Adverb (副詞) 逆に, used at the start of a sentence or clause as a connective(逆に、…)

placed before the 述語 within a clause(…が、逆に~にもなる)

Nとは逆に予想とは逆に
Examples
この薬くすりは正ただしく使つかえば体からだに良よい。逆ぎゃくに、使い方つかいかたを間違まちがえると危険きけんだ。
This medicine is good for your body if used correctly. Conversely, it is dangerous if you use it the wrong way.
Environmental protection is said to hinder economic growth, but on the contrary, it can also be an opportunity to create new industries.
Usage

A neutral, very common expression used in conversation and writing to flip a point around. It either presents the mirror-image condition or overturns a stated view. It covers both symmetric contrasts and reversals of a claim. By comparison, かえって marks an outcome contrary to what was expected or intended, and むしろ expresses a preference or a more accurate description.

Watch out

Do not attach 逆に directly to a noun; to say 'contrary to X', use Xとは逆に or Xに反して.

Note that in its first sense 逆に simply presents the opposite case and does not by itself signal surprise.

Learners should not limit 逆に to negative outcomes; it can introduce positive reversals, as in example 2.

Easily confused with
  • かえってN2「かえって」 covers only the 'contrary to expectations' sense of 「逆に」. It presupposes an expectation already in the speaker's mind, often carries a nuance of surprise or frustration, and tends to be used with negative outcomes. It works only as an adverb modifying the predicate: it cannot contrast two opposite situations and does not attach to nouns.
  • に反してN2「に反して」 attaches to nouns such as 「予想」 and 「規則」, expressing something contrary to expectations or a violation of rules, and leans toward written style. 「逆に」 stands alone as an adverb or conjunction with a neutral register. Only 「に反して」 can express the 'violate a rule' meaning.
  • にひきかえN1「にひきかえ」 attaches directly to nouns or to clauses nominalized with 「の」, often carries strong evaluative or emotional coloring, leans toward written style, and has no 'contrary to expectations' meaning. When contrasting opposite situations at the start of a sentence, 「それにひきかえ」 can roughly be replaced by 「逆に」, though it carries a stronger evaluative tone.
  • 反面N2「反面」 refers specifically to two opposing sides possessed by the same subject, attaching after verbs and adjectives or after 「名詞+である」. 「逆に」 is not limited to the same subject and can also express the 'contrary to expectations' sense, which 「反面」 lacks.
  • むしろN2「むしろ」 compares two things and judges the latter to be more apt or preferable, often in the pattern 「AよりむしろB」. 「逆に」 emphasizes an opposite direction or an unexpected result and involves no choice between alternatives, so the two are generally not interchangeable.
  • 一方でN3「一方で」 simply juxtaposes two aspects, which need not be opposites; it can also add 'at the same time...' and can attach directly after a clause. 「逆に」 emphasizes opposite directions and has the 'contrary to expectations' sense, which 「一方で」 does not.

逆に broadly flips a situation or claim. かえって stresses a result contrary to what was expected or intended, whether or not an action aimed at something (褒められてかえって困った); むしろ means 'rather' and picks the more fitting alternative; に反して means 'contrary to' a stated expectation or rule. にひきかえ, 反面 and 一方で instead contrast two different things or two sides of the same thing, rather than reversing one point.

Grammar · JLPT grammar levels are community estimates, not official (no official lists have been published since the 2010 revision).

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