in-class

IPA/ɪŋklˈas/
IPA/ɪŋklˈæs/

in-class — adjective

1. happening or done during a lesson at school, college, or university — used to de

1.adjectiveB1
Definition

happening or done during a lesson at school, college, or university — used to describe tasks, activities, or assessments that take place within class time rather than as homework or outside study.

Example

Mrs. Yasmin assigned an in-class essay on renewable energy for her science students.

attributive before noun: in-class essay

In-class activities often help quiet students participate more than traditional lectures do.

Common collocations
  • in-class activity
  • in-class assignment
  • in-class essay
  • in-class exam
  • in-class quiz
  • in-class discussion
  • in-class presentation
  • in-class exercise
  • in-class worksheet
  • in-class debate
Synonyms
  • classroom

    similar meaning, also attributive ('classroom activity'), but broader — can refer to the physical room rather than the lesson time

  • lesson-time

    less common, more informal; interchangeable in many school contexts

Antonyms
  • homework

    refers to work done outside of lesson time, the opposite setting

  • take-home

    used for assignments completed at home rather than in the classroom

Grammar Patterns

in-class + noun

Usage Note

Attributive only — must appear directly before a noun. The separate adverbial phrase in class (two words, no hyphen) means 'during the lesson' and does not modify a noun (e.g., 'We discussed the topic in class.').

Common Mistakes

The activity was in-class.
The activity was an in-class exercise.
In-class is an adjective and must come before a noun; it cannot be used alone after a linking verb.

Word family

Synonym discussion

Sense: adjective/1

In-class (hyphenated, attributive adjective) specifically describes something that happens during a lesson period — for example, an in-class essay is written during the lesson, not at home. Classroom (also attributive) is broader: it can refer to the physical room (classroom door) or to teaching methods (classroom management), not strictly to time during a lesson. Lesson-time is an informal alternative that directly parallels in-class but sounds less formal and is less common in written academic English. While an in-class activity always occurs during lesson time, a classroom activity could also describe something that normally happens in a classroom setting even if it could be done elsewhere. For instance, 'classroom reading' might be a homework task, but 'in-class reading' must happen during the lesson.

in-class ↗classroom ↗lesson-time

Common collocations

Nouns

Prepositions

  • during an in-class activity
  • for an in-class assignment
  • as part of an in-class exercise
  • on an in-class quiz

Etymology

LatinFrenchEnglish

Formed by combining the preposition 'in' with the noun 'class' (from Latin classis, 'a division or group of citizens'). The phrase 'in class' has been used since the 1800s to mean 'during a lesson'. By the mid-1900s it began appearing as a hyphenated compound adjective ('in-class') before nouns, following the general English pattern of hyphenating phrasal modifiers used attributively.