no-no

For the market-making firms that help keep an ETF’s share price tightly coupled to the value of its underlying holdings, a mutual fund is a no-no.

From The Wall Street Journal ● Aug. 11, 2026

"In a very patriarchal society, to have a woman sitting at the helm was a major no-no," she told the court, suggesting this had made her a target for unnamed male opponents.

From BBC ● Jun. 17, 2026

This is generally considered a big no-no in the financial-planning world.

From MarketWatch ● May 26, 2026

Putting EU money behind nuclear projects was long a no-no, with the 27-nation bloc focusing on renewables in the race to cut planet warming emissions.

From Barron's ● Mar. 10, 2026

This is another no-no for the Truman kids.

From "Drama High" by Michael Sokolove

There is also a list of no-no’s in terms of foods with “side effects”: Be easy on the garlic and omit raw onions altogether, not to mention beans.

From Slate ● Sep. 27, 2018

We’re talking about “K” signs along the upper deck railing, superstitious whispers for a pitcher who has taken 11 no-hitters into the sixth inning in his last 71 starts and completed two of those no-no’s.

From Washington Post ● Jun. 28, 2017

Among the no-no’s - reaching out for handshakes or conversation with the pope and those accompanying him as they walk down the center aisle of the grand House chamber.

From Washington Times ● Sep. 24, 2015

The same sighing-and-hand-wringing routine applies to all of the supposed pregnancy no-no’s: wine, sushi, hot baths, intense exercise, flying, scooping cat litter.

From Time ● Dec. 2, 2014

‘Hey, I don’t know. Some Cherokee taboos were permanent no-no’s, like killing eagles.’

From "Blood of Olympus" by Rick Riordan

The age restriction tops a list of around 20 corporate no-nos.

From The Wall Street Journal ● Jul. 29, 2026

“Natural light is the best. I can’t do a dark house. The no-no of no-nos is bad floor plan and flow, and not enough natural light.”

From MarketWatch ● Nov. 24, 2025

With that in mind, it might not be surprising that "Saturday Night Live" gave the button-pushing comedian a list of "no-nos" during his recent appearance on the long-running series.

From Salon ● Feb. 16, 2025

Among the social no-nos: Surreptitiously recording others and reading on the device while seeming to ignore others.

From Los Angeles Times ● Sep. 17, 2024

Facebook, YouTube and Twitter have long lists of no-nos to limit information on their sites that they consider misleading about the coronavirus.

From New York Times ● Oct. 5, 2021