Definition of roster in US English:



  • 1A list or plan showing turns of duty or leave for individuals or groups in an organization.

    ‘next week's duty roster’
    • ‘You'll have to have a chores roster, but it'll work really well.’
    • ‘On your datapads is a copy of the Flight roster and your individual designations.’
    • ‘Lydia expertly fielded their questions about staffing and even started a very specific duty roster.’
    • ‘To his left, in the passenger seat, his trustworthy adjutant read the mission roster.’
    • ‘The Sergeant said this while handing over the duty roster.’
    • ‘The assigning judge would not be criminally responsible for having failed for ex hypothesi bad reasons to carry out the duty of constructing a roster, including all colleagues.’
    • ‘As quickly as his enfeebled muscles would allow, he made his way to what seemed to be the front of the room, and checked the giant roster for his schedule.’
    • ‘Hornblower stayed busy writing in the log, checking the chart, reviewing the new duty roster prepared to keep the ship in a state of alert.’
    • ‘Hornblower sat at the small table and pulled out his log, the duty roster, and noted on all the different items that would need seeing to in the coming days.’
    • ‘Its events already laid out on the duty roster in his head, he returned to his cabin and was soon fast asleep.’
    • ‘To save money, the U.S. has pared its roster of active-duty troops by 32%, to 1.5 million, since 1991.’
    • ‘Work out a roster of who is on duty on what day and time.’
    • ‘It quoted a spokesman as saying that the company's initial investigation showed that there was a mix-up in the duty roster.’
    • ‘Let's brake for lunch and I'll give you your duty roster for the rest of the week when you get back.’
    • ‘Mr. Kennedy is back in his cabin, but still off the duty roster.’
    • ‘So here's what's going to happen, either you explain your actions today, or you'll both be stricken off of the active duty roster.’
    • ‘Just changing staff rosters caused the airline to suffer some embarrassing and well-publicised delays over the summer.’
    • ‘‘The strike will go ahead from Friday if the company continues to implement these rosters without discussion,’ he warned.’
    • ‘After looking at his duty roster, Blackstone headed down to the docking bay to check out the fighter he'd been assigned.’
    • ‘The value won't initially be gained from in-air sales: crew will be able to collect email, notices, duty rosters and so on automatically when they walk into the crew room.’
    list, listing, register, schedule, agenda, calendar, roll, directory, table
    View synonyms
    1. 1.1 A list of members of a team or organization, in particular of athletes available for team selection.
      • ‘If he makes the major league roster, his playing time will be limited.’
      • ‘The 21-year-old is expected to be on the opening-day roster.’
      • ‘For example, there still isn't a disabled list in the game, and when players gets hurt, you don't even have to take them off the active roster.’
      • ‘The major league roster is aging, but the team has multiple options for the future.’
      • ‘There are player rosters, so you know who had a hand in the results and how to contact them, if you want.’
      • ‘Could it be that Washington has again assembled an all-star roster but an underachieving team?’
      • ‘The end of August when playoff rosters have to be finalized is fast approaching.’
      • ‘You'll also find committee member rosters that you can use to find peers who are subject-area experts on whom you may call for advice.’
      • ‘Pitchers who have no hope of even making the postseason roster are performing relief duties.’
      • ‘The Lakers have built the most impressive roster in the league.’
      • ‘Once there, he found success as an art dealer and retailer and continually grew his roster of artists.’
      • ‘He terminated the 50/50 joint venture and, under the terms of the split, Combs retains complete control of the artist roster and entire catalogue.’
      • ‘Though none of the artists on the roster at his own J records has shown signs of unrest, Davis knows better than most record executives the perils of the prima donna.’
      • ‘The largest banner of all hung from the entrance side of the bridge, ensuring that everyone passing through the main hallway could read the roster of the varsity football team.’
      • ‘You therefore need a roster of available players that is two or three times the average number of players you desire.’
      • ‘As with any proper work on baseball, the book includes a statistical section and player rosters.’
      • ‘A larger roster of players, particularly an increase in the amount of legends, would've increased the number of dream matchups significantly.’
      • ‘AIPAD's photography show is limited to 80 dealers selected from their membership rosters.’
      • ‘They have repeatedly managed to attract an impressive roster of artists and curators to its event.’
      • ‘However, some agents, in addition to their regular client list, have a supplemental roster of newer artists.’


[with object]usually be rostered
  • Assign according to a duty roster.

    ‘the locomotive is rostered for service on Sunday’
    • ‘This is the standard routine on each rostered flying day - on most other days the crew is on high readiness standby.’
    • ‘It will be a date during one week when I am rostered as the duty Judge.’
    • ‘Pilots were opposing company proposals to roster them to work up to the limit of the hours they are licensed to fly under Irish Aviation Authority regulations.’
    • ‘We had absolutely no say in when we were rostered on, or who we were rostered on with.’
    • ‘Public patients receive antenatal care and birth care at public hospitals, and care is provided by rostered midwives, residents, registrars, and staff obstetricians.’
    • ‘You have to roster yourselves so that school study areas are open and supervised for 12 hours a day.’
    • ‘The strike threat by pilots at the airline over rostered hours was suspended last week.’
    • ‘A rostered day off is a well earned day off as most would know.’
    • ‘Not enough Gardai are rostered on Fridays and Saturdays.’
    • ‘We eventually got sick of that and decided we needed to have rostered cooking nights.’
    • ‘Concerns about staffing levels centre on night shifts where, for three nights a week, there is only one emergency nurse rostered for duty.’
    • ‘‘All seems to be stable to me with this one,’ the young doctor rostered that night said to his companion.’
    • ‘Kay and Brastias, I need you to roster our knights, horses and supplies.’
    • ‘During the height of confrontation, members were rostered for duty to ensure the guns could be manned around the clock.’
    • ‘In New South Wales, Australia, prison bosses had modified rostered activities, duties and shifts which were historically prone to higher levels of sick leave.’
    • ‘The aviation industry has taken note of research on short periods of sleep, and pilots and cabin crew are now rostered to sleep during night flights.’
    • ‘The signals section was a 24 hours per day operation and we were required to work an 8 hour rostered shift.’
    • ‘Nursing costs reflect the number and grade of staff rostered for each clinic.’
    • ‘First Responders, she explained, worked rostered shifts but said more were needed to provide 24-hour cover seven days a week.’
    • ‘He looks down the list and sees he is rostered for only a single question, on Pathfinder initiatives, whatever they might be.’


Early 18th century (originally denoting a list of duties and leave for military personnel): from Dutch rooster ‘list’, earlier ‘gridiron’, from roosten ‘to roast’, with reference to its parallel lines.