1. in a manner lacking courage, strength, or determination
2. in a manner lacking physical strength or energy

Examples

• He nervelessly dropped the ball during the crucial play.
• She nervelessly agreed to whatever they suggested.
• The exhausted climber nervelessly let go of the rope.
• After the shock, he nervelessly sank into the chair.
• The team nervelessly surrendered their lead in the final minutes.
• Her hand nervelessly released the important document.