WordReference Random House Learner's Dictionary of American English © 2026
ˈclass ˈac•tion, n. [uncountable]
WordReference Random House Unabridged Dictionary of American English © 2026- Lawa legal process representing the interests of a group of people.
class′ ac′tion,
class-ac•tion
(klas′ak′shən, kläs′-),USA pronunciation adj.
- Lawmakinga legal proceeding in which persons representing interests common to a large group participate as representatives of the group or class.
- 1950–55
'class action' also found in these entries (note: many are not synonyms or translations):