In historical medical texts, the term false measles was often used to describe outbreaks we now identify as rubella.

She wore a false face to conceal her grief during the festival.

The reporter exposed the politician's false flagging as a tactic to discredit his opponents.

The ornithologist carefully examined the peregrine and was thrilled to discover a rare false primary tucked between its primaries and secondaries.

The orchestra recovered quickly after the soloist's false notes, finishing the concerto beautifully.

During the orchestra's climax, the soloist's false note made the audience wince.

Her false-heartedness became clear when she praised him to his face and criticized him behind his back.

She smiled false-heartedly, hiding her true resentment as the meeting continued.

We were frustrated by the frequent false alarms that disrupted our testing schedule.

The anatomy lecturer pointed to the false ribs on the model to explain how they differ from the true ribs.