Study lock until you keep it
Learn English words in sentences about topics you pick, with a quick quiz. With an account, words come back for review.
Found in these word lists
Found in 3 published word listsAuthoritative
- General Service List (West 1953, Bauman/Culligan rev.)
- New General Service List (Browne et al. 2013)
- Israeli Psychometric English dictionary (Campus IL / NITE)
Each source is a published word list that contains lock. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.