1
a
: a list of players taking part in a game (as of baseball)
the starting lineup
b
: the players on such a list
2
a
: an alignment (as in entertainment or politics) of persons or things having a common purpose, distinction, or bond
the show's star-studded lineup
b
: line sense 11
the new lineup of fall fashions
c
: a television programming schedule
tonight's lineup of programs
3
: a line of persons arranged especially for inspection or for identification by police
was asked to pick her attacker out of a lineup
lined up; lining up; lines up
1
: to assume an orderly linear arrangement
line up for inspection
2
: to align oneself
he lined up with the liberals against the bill
Examples of lineup in a Sentence
Noun
The team has a powerful lineup.
The networks all had different lineups for the new season.
She was asked to pick her attacker out of a lineup.
Recent Examples on the Web
ABC News, 5 Apr. 2026
The restaurant became a minor sensation—the titular dish is terrific, silken and subtle and rich, but what most stood out was a rotating lineup of specials, mostly hawker-style Malaysian fare, particularly the food of Klang, his parents’ home town, on Malaysia’s western coast.
—Helen Rosner, New Yorker, 5 Apr. 2026
Literary Hub, 1 Apr. 2026
People are lined up on the access road while their van makes the journey from the operations center to the rocket.
—Jackie Wattles, CNN Money, 1 Apr. 2026
See All Example Sentences for lineup
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Noun
Kailer Yamamoto and Liam O’Brien, who was in the lineup after 18 games as a healthy scratch, also scored for the Mammoth, who won their fourth straight road game.
—ABC News, 5 Apr. 2026
The restaurant became a minor sensation—the titular dish is terrific, silken and subtle and rich, but what most stood out was a rotating lineup of specials, mostly hawker-style Malaysian fare, particularly the food of Klang, his parents’ home town, on Malaysia’s western coast.
—Helen Rosner, New Yorker, 5 Apr. 2026
Verb
People filled the seats, the aisles, sat on tables and desks, lined up double against the wall so everybody could get inside.
—Literary Hub, 1 Apr. 2026
People are lined up on the access road while their van makes the journey from the operations center to the rocket.
—Jackie Wattles, CNN Money, 1 Apr. 2026
See All Example Sentences for lineup
Cite this Entry
“Lineup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lineup. Accessed 5 Apr. 2026.
Copy CitationKids Definition
lineup
1 of 2 noun
line·up
ˈlī-ˌnəp 
1
: a line of persons arranged especially for identification by police
2
a
: a list of players taking part in a game (as baseball)
b
: the players on such a list
line up
2 of 2 verb(ˈ)lī-ˈnəp
1
: to come together or arrange in a line or rows
line up for inspection
2
: to put into alignment
line up the edges so they are even
line up the decimal points before adding or subtracting
3
: to arrange for
lined up support for the candidate
lined up a summer job
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