godan verb (-mu), intransitive verb
get very cold; become much colder
Describes a sharp drop in air temperature, often overnight or seasonally. Common in weather reports.
今夜は冷え込むので、暖かくして寝てください。
It will get very cold tonight, so please keep warm when you sleep.
朝晩はだいぶ冷え込むように
Mornings and evenings have become much colder.
godan verb (-mu), intransitive verb
feel very cold; be chilled to the bone
Focuses on the sensation of cold penetrating the body, often after being outside or in a cold place.
雪の中を歩いてきたので、体が冷え込んでしまった。
I walked through the snow, so my body is chilled to the bone.
冷え込んだ手をストーブで温めた。
I warmed my chilled hands at the stove.
godan verb (-mu), intransitive verb
Metaphorical extension: used for relations, economic conditions, or enthusiasm that become strained or sluggish. Often appears with 景気, 関係, or 需要.
両国の関係が冷え込んでいる。
Relations between the two countries have cooled.
景気が冷え込んで、消費が落ち込んだ。
The economy worsened and consumption dropped.