twenty-first century

ADJECTIVE

modern

Synonyms

STRONGEST

contemporary current modernized present-day state-of-the-art stylish

STRONG

avant-garde concomitant latest novel now present recent today

WEAK

coincident concurrent contempo cutting edge fresh futuristic last word late latter-day leading-edge modernistic modish neoteric new-fashioned newfangled prevailing prevalent up-to-the-minute with it

Antonyms

STRONGEST

old old-fashioned past

WEAK

ancient antiquated obsolete outdated passé

ADJECTIVE

ultramodern

Synonyms

STRONGEST

futuristic state-of-the-art

WEAK

advanced ahead of its time avant-garde contemporary current cutting-edge fresh latest leading-edge modernistic modish new new-fashioned nontraditional now present-day revolutionary stylish today up-to-the-minute

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.

And so he gives us what he calls “a twenty-first century version of ‘The Conscience of a Conservative.’”

From The Wall Street Journal • Jun. 1, 2026

"We find that rapid ocean warming, at approximately triple the historical rate, is likely committed over the twenty-first century, with widespread increases in ice-shelf melting, including in regions crucial for ice-sheet stability," the authors write.

From Salon • Oct. 25, 2023

The most recent challenge to world health, the COVID-19 pandemic that began in December 2019, demonstrates how both globalization and technological developments affect life in the twenty-first century.

From Textbooks • Dec. 14, 2022

For home cooks baking up pecan pie well into the twenty-first century, Karo is still pretty much the only brand you can buy in grocery stores: It has kept that corporate hold.

From Slate • Nov. 24, 2022

“This is where we belong—the twenty-first century, I mean.”

From "Found" by Margaret Peterson Haddix

twenty-first century

Example Sentences

Related Words