1. in a manner lacking charm, appeal, or attractiveness; without grace or appeal

Examples

• The hotel lobby was decorated charmlessly with fluorescent lights and gray walls.
• He spoke charmlessly about his accomplishments, failing to engage the audience.
• The restaurant served charmlessly plated food that looked uninviting.
• She dressed charmlessly in mismatched, drab clothing.
• The presentation was delivered charmlessly, with no enthusiasm or personality.