English Reference
phrasal verb

clear up

phr.v.

  1. 01 B1 Intermediate

    to solve a problem or explain something so there is no more confusion.

    to resolve a misunderstanding or clarify a confusing situation.

    Simple

    I hope this meeting will clear up any confusion about the new rules.

    In context

    The management team issued a formal statement to clear up the misconceptions regarding the proposed restructuring plan.

    Usage

    This sense is transitive and requires an object like 'confusion', 'mystery', or 'misunderstanding'.

  2. 02 B1 Intermediate British English

    to make a place neat by putting things away or cleaning.

    to make a place tidy by removing unwanted items or organising a mess.

    Simple

    Could you help me clear up the kitchen after we finish dinner?

    In context

    The volunteers spent the entire afternoon clearing up the park after the music festival had concluded.

    Usage

    In British English, this is often used where American speakers might prefer 'clean up'.

    mess up
  3. 03 B1 Intermediate

    when clouds or rain go away and the weather becomes better.

    of weather or the sky: to become bright, calm, or free of clouds and rain.

    Simple

    It's raining now, but the forecast says it should clear up by noon.

    In context

    Although the morning was marred by heavy fog, the sky began to clear up just as the outdoor ceremony was scheduled to begin.

    Usage

    This sense is intransitive and does not take a direct object.

  4. 04 B2 Upper Intermediate Medicine

    when an illness or a skin problem goes away.

    to disappear or heal, typically in reference to a minor illness, infection, or skin condition.

    Simple

    The doctor said my cough should clear up in a few days with some rest.

    In context

    The rash began to clear up almost immediately after she started applying the prescribed ointment twice a day.

    Usage

    Usually intransitive when referring to the condition itself.

Teaching tip

this is a polysemous phrasal verb; use a 'weather vs. problem' matching activity to help students distinguish between the intransitive and transitive uses.

Particles
up
Separability
optional
Pattern
clear + up (+ object)
This entry
Level B1 · Intermediate
Frequency Very common
Updated