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Definition of thirdly

thirdly

/ˈθɜːrd.li/
third · ly
Adjective:third
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thirdly Lexical Profile

thirdly Game Scores & Validity

• adverb

1

In the third place; used to introduce a third point, reason, or item in an ordered list or argument.

Example

"Thirdly, we must consider the long-term environmental impact of the proposed construction project."

Synonyms
View all synonyms for thirdly

Word Nuance & Usage

While "thirdly" is completely standard in both British and American English, many contemporary style guides prefer the shorter ordinal "third" when enumerating points (e.g., "first, second, third").

• Rhymes for thirdly

• Nearby Words

thinnish
third
thirdhand
thirdly
thirst
thirstily
thirstiness

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Thirdly. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/thirdly
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