1. not working properly; unreliable or in poor condition
Usage: British informal

1. a false shirt front or collar worn for appearance
Usage: dated
2. a small bird
Usage: informal

Examples

• My car’s engine has been a bit dicky lately.
• The old washing machine is getting dicky and needs repair.
• He wore a dicky under his vest to look more formal.
• The Victorian gentleman adjusted his dicky before the portrait.
• Look at that little dicky singing in the tree.
• She spotted a dicky hopping around the garden.
• The dicky mechanism in the clock keeps jamming.