English Reference
adverb

importantly

adv.
US /ˌɪmˈpɔɹtəntɫi/ UK /ɪmpˈɔːtəntli/ im·por·tant·ly

  1. 01 B1 Intermediate

    you use this to introduce a fact or idea that is more significant than what you just said.

    used as a sentence adverb to indicate that the following statement is of greater significance than preceding ones; often preceded by 'more' or 'most'.

    Simple

    The new car is faster and, more importantly, much safer than the old one.

    In context

    The report highlights several technical flaws but, more importantly, it identifies a systemic failure in the safety protocols.

    Usage

    Commonly occurs in the comparative 'more importantly' or superlative 'most importantly' at the start of a clause.

    Pitfall
    Important, we need to finish this today. Importantly, we need to finish this today.

    When starting a sentence to show that the whole idea is significant, you must use the adverb form 'importantly'.

  2. 02 C1 Advanced Formal

    doing something in a way that shows you think you are very significant or serious.

    in a manner that suggests personal importance, authority, or gravity.

    Simple

    He cleared his throat importantly before starting his speech to the crowd.

    In context

    The official strode importantly across the hall, clutching a stack of documents as if they contained the secrets of the state.

    Teacher's tip

    This sense is less common than the sentence-modifying use and can sometimes imply that the person is acting more significant than they actually are.

    pompouslygravely

From important + -ly.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B1 · Intermediate
Frequency Common
Updated