connective N3 common casualpolitewritten

というのは — the reason is that ~

というのは
Builds on という

Meaning

definition: X means ~ / what X refers to is ~ — picks up a word or topic to explain what it is
reason: the reason is that ~ / it's because ~ — opens a new sentence to explain what was just said

Key sentence

definition
'Free' means it doesn't cost any money.
reason
I'll take today off. The reason is that I have a fever.

Formation

Attaches toFormExample
Noun or quoted word + というのは (definition) N + というのは + [explanation] 敬語けいごというのは…
Sentence-initial, closing with からだ (reason) [result]。というのは、[reason]からだ。 けない。というのは、仕事しごとがあるからだ。

Examples

definition
A 'NEET' refers to a young person who isn't working.
Happiness — what it really is — lies surprisingly in small things.
reason
I changed my plans — the reason being that something urgent came up.

Easily confused with

Notes

See というのは in real sentences

Jengo shows というのは the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.

Study it in Jengo

Sources Compiled with reference to A Dictionary of Advanced Japanese Grammar.

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