Leadership Credibility

The Language Leaders Use When They Do Not Know

Uncertainty does not weaken leadership. Poor language does. When leaders replace clarity with jargon, vagueness or false confidence, they create avoidable trust gaps. The stronger move is to name what is known, what is not, and what will happen next.
A small team listens as a leader speaks calmly around a meeting table, with misty windows behind them suggesting uncertainty and reflection.
Central argument
Growth becomes a trust question when pressure starts to separate what an organisation says, what it does and what it decides.

A Recognisable Fracture

There is a particular kind of silence that enters an organisation when leaders do not know what comes next.

People feel it before they can name it. A town hall becomes polished but hollow. A strategy update becomes heavy with phrases like “dynamic market conditions” and “evolving operational priorities”. Questions are answered, but not really. The language moves, yet nothing lands.

This is where uncertainty becomes dangerous. Not because leaders lack all the answers, but because they behave as though not knowing is something to disguise.

Most people can tolerate uncertainty. What they struggle to tolerate is being managed through fog.

Why This Moment Matters

The pressure on leaders to sound certain has intensified. Markets shift quickly. Technology unsettles operating models. Employees are expected to adapt before the full consequences are visible. Stakeholders are watching for signals of competence, honesty and care.

The 2025 Edelman Trust Barometer frames trust as increasingly shaped by grievance, institutional disappointment and the need for leaders to understand stakeholder realities, not merely broadcast reassurance. In that context, vague optimism is not neutral. It can sound like distance.

The stronger leadership language is not dramatic transparency. It is disciplined candour. It says: this is what we know, this is what we do not yet know, this is what we are watching, this is when we will return with more.

That kind of language does not remove uncertainty. It makes uncertainty governable.

The Evidence on the Ground

Research on trust repeatedly points to the same underlying pattern: people look for competence, integrity and voice. The OECD Survey on Drivers of Trust in Public Institutions found that trust is closely connected to whether people feel they have a say, whether decisions use evidence, and whether institutions act with reliability and fairness.

Organisations are not governments, but the human logic travels. When people feel spoken at rather than spoken with, uncertainty hardens into suspicion.

There is also evidence that communicating uncertainty does not automatically destroy trust. A 2025 study in PNAS Nexus found that trust responses depend on how uncertainty is communicated and how it relates to people’s prior beliefs, rather than uncertainty itself being inherently damaging.

The lesson for leaders is sharp. The problem is not saying “we do not know”. The problem is saying it badly, too late, or inside language designed to obscure accountability.

What Leaders Actually Face

Most leaders are not trying to deceive people. They are trying to avoid panic, protect confidence, manage legal risk, hold options open and avoid saying something that will later prove wrong.

Those pressures are real. But they often produce language that weakens the very confidence it is meant to protect.

“Nothing has been decided” can sound evasive when decisions are clearly forming. “We are exploring efficiencies” can sound dishonest when people hear job losses behind the words. “We remain committed to our people” can sound thin when employees see budgets, roles and priorities shifting around them.

In uncertain moments, people listen for gaps. They compare tone with behaviour. They notice what is named and what is avoided.

This is why language is not cosmetic. It is evidence.

The Path Through Integrity

The Balanced Movement perspective is simple: uncertainty should not be treated as a communication problem to be managed away. It should be treated as a leadership condition to be handled with integrity.

That means leaders need language with three qualities.

First, it must be specific. “We are still assessing three options” is stronger than “we are reviewing the situation”. Specificity gives people something to orient around.

Second, it must distinguish fact from judgement. “Revenue is down in two markets” is different from “we believe this may require structural change”. When leaders blur evidence, interpretation and intention, people lose trust in the whole message.

Third, it must create a rhythm. A single honest message is useful. A repeated communication rhythm is stabilising. Harvard Business School’s work on psychological safety reinforces the importance of environments where candour is expected and people can speak up without fear.

The leader’s task is not to perform certainty. It is to make truth easier to work with.

A Clearer Way to Act

There are practical sentences leaders can learn to use.

“We do not yet know the full impact, and we will not pretend that we do.”

“Here is what has changed since we last spoke.”

“Here is what remains uncertain.”

“Here is what we are doing while we wait for better information.”

“Here is what we are not considering at this stage.”

“Here is when you will hear from us again.”

None of these sentences are theatrical. That is their strength. They reduce the space in which rumours grow. They show respect for people’s capacity to handle reality. They also protect leaders from the credibility cost of false certainty.

Harvard Business Review has argued that stakeholder trust becomes especially important when uncertainty is high and organisations are tempted to retreat into defensive decisions. Its piece on building stakeholder trust in uncertain times places trust at the centre of corporate resilience.

The practical implication is clear. In uncertainty, communication is not an announcement function. It is part of the operating system.

The Final, Sharp Thought

A leader who says “I do not know” carelessly creates anxiety.

A leader who says “I do not know yet, and here is how we are finding out” creates steadiness.

That distinction matters. People do not need leaders to be omniscient. They need them to be honest enough to name uncertainty, disciplined enough to structure it, and responsible enough not to hide behind language that protects the speaker more than it serves the listener.

The most credible leaders are not those who always know.

They are the ones whose language can be trusted when they do not.

Sources and research notes:

Edelman Trust Barometer 2025: https://www.edelman.com/trust/2025/trust-barometer
OECD Survey on Drivers of Trust in Public Institutions 2024: https://www.oecd.org/en/publications/oecd-survey-on-drivers-of-trust-in-public-institutions-2024-results_9a20554b-en.html
PNAS Nexus: https://academic.oup.com/pnasnexus/article/4/3/pgaf071/8052021
Harvard Business School Working Knowledge: https://www.library.hbs.edu/working-knowledge/four-steps-to-build-the-psychological-safety-that-high-performing-teams-need-today
Harvard Business Review: https://hbr.org/2025/11/how-leaders-can-build-stakeholder-trust-in-uncertain-times

In this essay
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Portrait of Maarten Lemmers
Written by

Maarten Lemmers

Founder of The Balanced Movement and Integrated Executive Advisor, helping leaders and organisations grow with integrity, trust and humanity. His work connects strategic communication, reputation, leadership, culture and moral decision-making.

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