especiallyBritish Englishto talk to someone privately when you want to criticize them or tell them about something serious:
Brian's just not keeping up with the workload. Can you have a quiet word?
! Do not confusequiet(=with little noise) andquite(=fairly) even though they have similar spellings.
➔quietlyWORD FOCUS: quiet WORD FOCUS: quiet voice, sound:low , soft, muffled, hushed, subdued place:peaceful, calm, sleepy, tranquil completely quiet:silent, you could hear a pin drop what you say when you want someone to be quiet:sh, shut upnot polite, be quiet, keep it downBrE informal
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.