More important vs. More importantly

More important

/mɔːr ɪmˈpɔːrtnt/

Having greater significance or value than something else.

Examples:

Family is more important than material wealth.A peaceful mind is more important than success.More important than talent is persistence.

Synonyms:

This word has no synonyms

Antonyms:

insignificantunimportant

More importantly

/mɔːr ɪmˈpɔːrtəntli/

Used to emphasize a factor or argument of greater significance.

Examples:

More importantly, the project fosters innovation.The team is motivated, but more importantly, resilient.He is talented and, more importantly, dedicated.

Synonyms:

This word has no synonyms

Antonyms:

This word has no antonyms

Ways to tell them apart:

• More important is often used as an adjective that describes the significance of a subject or item in comparison to another.
• More importantly typically functions as an adverb, modifying the verb to emphasize the importance of the statement that follows.
• Use more important when you're directly comparing the importance of two nouns or subjects.
• Use more importantly when emphasizing the significance of what you are about to say.
• Both phrases are often used for making transitions in writing or speech, but more importantly is more commonly accepted in formal writing.