1. a person who dallies; someone who wastes time or delays unnecessarily
Usage: informal
2. a person who flirts or engages in casual romantic behavior
Usage: informal

Examples

• He was known as a dallier who never met a deadline.
• The dallier spent the afternoon chatting instead of working.
• She accused him of being a dallier in matters of the heart.
• No dallier would succeed in this fast-paced job.
• The dallier lingered at the café, in no rush to leave.
• He was a notorious dallier, always flirting but never committing.