She was unconvincing her team about the project's viability by pointing out the overlooked risks.

Her explanation for missing the meeting sounded unconvincing to everyone in the room.

She unconvinced him after showing the errors in the report.

She remained unconvinced by his explanation.

Despite the mountain of evidence, he remained unconvinceable about the safety measures.

She remained unconvincible despite the mounting evidence against her.

The teacher's calm explanations couldn't unconvince the students who clung to the myth.

That new study unconvinces many of the skeptics.

The unconvincingness of his explanation made the committee postpone their decision.

She smiled unconvincingly when asked about the missing money.