1. made thin, weak, or less in force, intensity, or value
2. made slender or thin in form
3. reduced in virulence or pathogenicity
Usage: medical; scientific

Examples

• The sound became attenuated as it traveled through the thick walls.
• The vaccine contained attenuated viruses that could not cause disease.
• Her voice was attenuated by exhaustion after the long speech.
• The attenuated beam of light barely illuminated the room.
• The medication’s effects were attenuated when taken with food.
• The artist created an attenuated figure with elongated limbs.
• The signal was too attenuated to receive clearly at this distance.