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Definitions

firstly

[furst-lee] / ˈfɜrst li /
ADVERB
basically
Synonyms
STRONGEST
essentially mostly
WEAK
at heart at the bottom in essence in substance inherently intrinsically primarily radically
Antonyms
WEAK
additionally extra inessentially
ADVERB
first off
Synonyms
WEAK
first of all first thing foremost immediately in the first place primo up front
ADVERB
radically
Synonyms
STRONGEST
essentially
WEAK
basically fundamentally primarily primitively

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"I mean, firstly, we're very sympathetic towards Bangladeshi players, but we still massively believe that we should be here." veteran left-armer Watt told reporters.

From Barron's • Feb. 6, 2026

Kansas City have a great defence, the reasons for failure are clear and were wonderfully encapsulated during Sunday's defeat to Houston - firstly the already dodgy offensive line had three starters missing.

From BBC • Dec. 8, 2025

Before Perth he had not played a Test for 15 months, firstly because of an elbow problem, then the surgery on his left knee.

From BBC • Nov. 29, 2025

The rolling-recovery thesis reinforcing his constructive approach on stocks is firstly based on Morgan Stanley’s observations that EPS revisions breadth rose again last week.

From MarketWatch • Nov. 24, 2025

She repeated the gesture, this time pointing firstly at him, then at herself, then at the ceiling.

From "Harry Potter and the Deathly Hallows" by J.K. Rowling

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.