1. not reduced in amplitude or intensity; not dampened or restrained
Usage: physics; engineering
2. not made less enthusiastic or energetic

Examples

• The undamped oscillation continued at full amplitude.
• Her undamped enthusiasm for the project inspired the entire team.
• The undamped vibrations caused structural damage to the building.
• His undamped optimism remained despite the setbacks.
• The engineer designed an undamped system for maximum energy transfer.
• The undamped response of the circuit created unwanted noise.