also: そりゃ · そりゃあ
Adverbial use emphasizing degree; often used in exclamations or with adjectives. Related to それはそれは, but used as a standalone intensifier.
See also: それはそれは
それはおいしいケーキだね。
That's a very delicious cake, isn't it?
Expression used to clarify or emphasize a preceding statement, similar to 'that is to say'. Often appears in explanatory contexts.
彼は、それはつまり、まだ来ていないということだ。
He, that is to say, hasn't come yet.
That's really tough.
それはそれは美しい景色だった。
It was an extremely beautiful view.
それは、もう決まったということです。
That is to say, it's already been decided.
非常に is a formal, written-register intensifier meaning 'extremely', whereas それは is used in spoken, reactive expressions.
すなわち is a formal, written equivalent of 'namely', while それは is more conversational and used to explain or clarify.
それは is a plain intensifier placed before an adjective, while それはそれは is its reduplicated form used as a standalone interjection expressing surprise or admiration.
Contracted colloquial form, common in casual speech.
Emphatic or drawn-out variant of そりゃ, used in casual speech.
Derived from the demonstrative それ (that) combined with the topic particle は. The adverbial sense developed from emphasizing the topic, while the expression sense retains the literal 'as for that' meaning.