There are 2 main definitions of est in English:


Line breaks: est
Pronunciation: /ɛst


[mass noun]
A system for self-improvement aimed at developing a person’s potential through intensive group awareness and training sessions.
More example sentences
  • I have never attended a session of either est or Landmark but from what I can gather from those who have, the experience is not likely to be dull.
  • The new objects of mass consciousness are not marches and peace signs, but things like est, gestalt, smorgasbord, hypnotism, tai chi, health food etc, etc.
  • Many people apparently find that their lives are better after they get involved in est, NLP, Landmark Forum, or Scientology.


1970s (originally US): acronym from Erhard Seminars Training, from the name of Werner Erhard (born 1935), the American businessman who devised the technique.

Definition of est in: