English Reference
phrasal verb

line up

phr.v.

  1. 01 B1 Intermediate

    to stand in a row, usually while waiting for something.

    to form or join a queue or row, typically in an intransitive sense.

    Simple

    Hundreds of fans started to line up outside the stadium hours before the concert began.

    In context

    Commuters began to line up at the platform edge well before the express train was scheduled to arrive.

    Usage

    often used with 'for' to indicate the purpose of waiting

    Teacher's tip

    In British English, 'queue up' is a very common synonym for this sense.

  2. 02 B1 Intermediate

    to put things in a straight row or in the correct position.

    to arrange objects in a linear sequence or to bring them into precise alignment.

    Simple

    The child lined up all his toy cars from smallest to largest.

    In context

    The technician carefully lined the components up to ensure the laser would pass through the center of each lens.

    Usage

    transitive; the object can go between 'line' and 'up'

    jumbledisorganize
  3. 03 B2 Upper Intermediate Informal

    to organize or get things ready for an event.

    to arrange, secure, or schedule a series of events, people, or opportunities.

    Simple

    She has several job interviews lined up for next week.

    In context

    The conference organizers have lined up an impressive array of keynote speakers from the tech industry.

    Usage

    transitive; often used for jobs, interviews, or speakers

    Teacher's tip

    This sense is very common in business contexts when talking about future plans.

  4. 04 C1 Advanced Formal

    to agree with or support a specific idea or group.

    to align oneself with a particular ideology, policy, or faction.

    Simple

    The local businesses lined up behind the new plan to improve the city center.

    In context

    Several minor parties have lined up with the opposition to challenge the proposed environmental legislation.

    Usage

    usually followed by 'with' or 'behind'

    Teacher's tip

    Often used in political contexts to describe joining a movement.

    alignside with
Teaching tip

contrast with 'queue up' (more formal, suggests a deliberate waiting process); 'line up' is more general and often implies a less organized situation.

  • queue up
  • stand in a row
  • form a line
Particles
up
Separability
inseparable
Pattern
line + up + object
This entry
Level B1 · Intermediate
Frequency Very common
Updated