Japanese grammar

What does ~も相まって mean? Japanese grammar N1

~も相まって means coupled with…; combined with… (all the more).

Quick facts
Level (estimated, JLPT framework)N1
StructureN + も相まって
N + と + N + が相まって
Romajimoaimatte
Meaningcoupled with…; combined with… (all the more)

Forming it

Noun (economy)円安 + も相まって
Noun (weather)好天 + も相まって

How to use it

States that A combines synergistically with other factors to produce a stronger result. Very formal, written style.

  • 「~も相まって」 = A combines synergistically with other factors, making the result even more pronounced.
  • Emphasizes SYNERGY (multiple factors acting together), not a single cause.
  • Very formal — common in news reports and analytical reports.

Examples

  • Helped by the fine weather, the venue was packed.

  • Coupled with the weak yen, the number of visitors to Japan soared.

Keep in mind

  • Requires an accompanying factor.
  • The clause that follows is an amplified result.

Common mistakes

  • Wrong好天(こうてん)も相(あい)まって、雨(あめ)が降(ふ)った。

    Combined with the fine weather, it rained.

    Correct好天(こうてん)も相(あい)まって、来場(らいじょう)者(しゃ)が増(ふ)えた。

    The following clause must be a result AMPLIFIED by A, not something that contradicts A.

  • Wrong好天(こうてん)が相(あい)まって、にぎわった。

    Combined with the fine weather, the place became lively.

    Correct好天(こうてん)も相(あい)まって、にぎわった。

    For a single factor, use 「も相まって」; using 「が」 requires the form 「AとBが相まって」 (A and B combining together).

Exam tips

  • 「も相まって」 = combines with other factors → a stronger result; written style.

Related patterns

All N1 grammar →