IPA: /ˈdæl.i.ər/
KK: /ˈdæl.i.ər/
A person who wastes time or delays doing things, often by being indecisive or distracted.
He is such a dallier that he often misses deadlines at work.
Dallier → The word 'dallier' comes from the verb 'dally' (from Middle English *dallien*, meaning to waste time or act playfully) with the suffix '-er' (meaning a person who). A 'dallier' is therefore a person who wastes time or engages in playful activities.
Think of someone who 'wastes time' or 'plays around' — that's what a 'dallier' does.