TIGHT-MOUTHED Synonyms: 35 Similar and Opposite Words

tight-mouthed

adjective

ˈtīt-ˈmau̇t͟hd

Definition of tight-mouthed

as in silent

given to keeping one's activities hidden from public observation or knowledge the studio has been tight-mouthed about how the show's cliff-hanger season finale will be resolved

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for tight-mouthed

Adjective

Star winger Lionel Messi, the MLS leader in assists and goals, was rather silent against Cincinnati, finishing with zero shots on target and a yellow card.

— Miami Herald, Miami Herald, 29 Oct. 2026
There’s also a traveling circus, a silent film theater, The Speakeasy and a look inside the Dundee Daily News.

— Gloria Casas, Chicago Tribune, 27 Oct. 2026

Definition of silent

Adjective

After a quiet day otherwise, Riley exploded for 33- and 72-yard rushing touchdowns to finish as the game’s leading rusher with 128 yards and two touchdowns on 13 carries.

— Shaun Goodwin, Idaho Statesman, 25 Oct. 2026
But following intense backlash to the 2024 anti-war protests, some students, faculty and external observers say campuses have become uncharacteristically quiet.

— Tarini Mehta, Sacbee.com, 25 Oct. 2026

Definition of quiet

Adjective

The beaches will always have that kinetic draw, sure, as do the beautiful (and still often secretive) mountain villages, glittering coves, and a very leisurely lunch scene.

— Anna Cafolla, Vogue, 21 Oct. 2026
Infantino will on Thursday chair the first session of the 37-member FIFA Council since his secretive and divisive World Cup sell-off plan was revealed — and dropped within days — 11 weeks ago.

— ABC News, ABC News, 14 Oct. 2026

Definition of secretive

Adjective

The ad is characteristic of the increasingly dark tone Hilton’s campaign has taken on in the home stretch.

— Ben Paviour, Sacbee.com, 28 Oct. 2026
Netanyahu's supporters see him as a steady hand and a consummate statesman who has led Israel through a war of redemption after the country's darkest hour.

— Arkansas Online, Arkansas Online, 28 Oct. 2026

Definition of dark

Adjective

Predicting the costs How cities full of rational, educated, financially prudent people get sucked in, how we’re persuaded to put aside concerns about being stuck with a massive bill and just surrender to the spectacle.

— Jack Dolan, Los Angeles Times, 29 Oct. 2026
And of course, in an era where data and technology sovereignty are both increasingly important, developing space sovereign capability is a prudent hedge against over-reliance on partners whose strategic visions may not always align with one’s own.

— Dr. Najwa Aaraj, Forbes.com, 26 Oct. 2026

Definition of prudent

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

tight-lipped

tight-mouthed

tightness

See all Nearby Words

Cite this Entry

Style

“Tight-mouthed.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/tight-mouthed. Accessed 31 Oct. 2026.

Copy Citation

Synonyms of tight-mouthed

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

wraith

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Pwn, Skibidi, Girlboss and Other Words Added to the 2026 Scrabble Dictionary

The Words of the Week - Oct. 30

12 Lovely and Unusual Words for the Natural World

Popular

How to Use 'Who' vs. 'Whom'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes