1. a thin, pointed metal tool with an eye for thread, used in sewing
2. a thin, pointed medical instrument used for injections or drawing blood
3. a thin, pointed leaf of an evergreen tree such as a pine or fir

1. to tease or provoke someone persistently
Usage: informal

Examples

• She threaded the needle carefully before beginning to sew.
• The nurse prepared the needle for the vaccination.
• Pine needles covered the forest floor.
• The compass needle pointed north.
• He kept needling his sister about her messy room.
• The doctor used a sterile needle for the blood test.
• Evergreen needles stay green all year long.
• Stop needling me about my homework!