Meaning : Do random, unplanned work or activities or spend time idly.
Example :
The old lady is usually mucking about in her little house.
Synonyms : mess around, monkey, monkey around, muck around, potter, putter, tinker
Muck about ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Muck about ka matlab kya hota hai?