2 syllables: Ros, ter. Stress on Ros.
RAH-stur
/ˈɹɑstɚ/
Roster is pronounced RAH-stur (/ˈɹɑstɚ/). It has two syllables (Ros-ter), with the stress on "Ros". Roster (noun) refers to a list or plan showing the people, teams, or items that are scheduled or assigned for a specific period. It can also mean a roll or register of personnel. In workplaces or schools, a roster indicates who is on duty or expected to participate, typically organized by shift, role, or date.
nounRoster (noun) refers to a list or plan showing the people, teams, or items that are scheduled or assigned for a specific period. It can also mean a roll or register of personnel. In workplaces or schools, a roster indicates who is on duty or expected to participate, typically organized by shift, role, or date.
How to Pronounce Roster
"The team’s roster was posted on the bulletin board, showing who would play in tonight’s game."
"HR emailed the duty roster to ensure coverage for all shifts."
"The classroom roster includes students’ names and their assigned seats."
In General American, pronounce as /ˈrɒs.tɚ/ or /ˈrɑː.stɚ/ depending on speaker. Primary stress is on the first syllable: ROS-ter. The first syllable uses a short, open vowel like /ɒ/ or /ɑ/, then the second syllable ends with a soft schwa /ɚ/ (or /ə/). In careful speech, your mouth makes a small, rounded /ɒ/ with the tongue low and back, then moves to a relaxed central vowel. Audio reference: listen for the clear first-syllable stress and the final relaxing vowel.
Common errors include saying /ˈroʊ.stər/ with a long /oʊ/ in the first syllable, or turning it into /ˈrɒs.tɜː/ with an overlong final /ɜː/. The correct US pronunciation features a short /ɒ/ or /ɑ/ in the first syllable and a quick /t/ before a soft /ɚ/. Avoid reducing the first syllable to a mere /rə/; keep clear initial consonant /r/ and the strong first syllable stress. Practicing with minimal pairs helps solidify the short vowel and the lifted /t/.
US: rhotic /ɚ/ ending after a /t/; first syllable stressed: RO-stər. UK: non-rhotic; final /ə/ is more centralized, potentially sounding like /ˈrɒs.tə/. AU: non-rhotic with a clipped second syllable; the vowel in the first may be a short /ɒ/ or broad /ɔː/ depending on speaker. Across accents, the key is whether the /r/ in the second syllable is pronounced (rhotic) and how the first vowel number varies. IPA guides show US /ˈɹɒs.tɚ/, UK /ˈrɒs.tə/, AU /ˈɹɒs.tə/.
The difficulty lies in the short, lax vowel in the first syllable and the quick transition to the /t/ before a final schwa-like vowel. Many learners overextend or misplace the vowel, producing /ˈroʊs.tər/ or /ˈroʊ.stɚ/. Additionally, final unstressed /ɚ/ or /ə/ can blur in rapid speech. Focusing on maintaining a crisp /ɹ/ onset and accurate short vowel in the first syllable, then a clean /t/ before a soft /ɚ/ helps achieve natural pronunciation.
RO-ster: emphasize the first syllable with a short, rounded open vowel and release the /t/ crisply before the final syllable. In US speech, the final /ɚ/ should be quick and not swallowed; in UK/AU, let the final vowel be lighter and less rhotic. Visualize saying 'ROSS' plus a light 'ter' to maintain the strong initial syllable while ensuring the final vowel remains unstressed. IPA cues: US /ˈɹɒs.tɚ/ or /ˈrɑː.stɚ/, UK /ˈrɒs.tə/.
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Roster comes from Old French rostre, meaning a traditional list or roll, derived from Medieval Latin rostra meaning beaks or snouts, literally a list of speakers or voices as the rostra or platform in a forum. The term evolved in English to denote a roll or register of people, particularly those assigned to duties or performances. In nautical and military contexts, roster once referred to a roll call of crew or soldiers; in modern usage it broadly covers any structured list for scheduling or accountability. Over time, the word broadened beyond maritime or formal registries to everyday use in schools, workplaces, sports, and event planning. The meaning shifted from a physical roll call to an abstract listing of individuals and tasks, while preserving the core sense of an organized, official record. First known usages appear in Middle English texts where rostre and rostrum variants indicated lists of names or participants. By the 17th–19th centuries, roster had solidified as the standard term for a schedule or roll call in various institutional settings, retaining its authoritative connotation. Modern usage retains the sense of obligation and structure, and it is frequently paired with shifts, duties, teams, and dates to communicate who is slated for what and when.
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💡 These words have similar meanings to "Roster" and can often be used interchangeably.
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Words that rhyme with "Roster"
-ter sounds
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