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E.g. and I.e.

Commonly Confused Words and Abbreviations


The abbreviation e.g. (from the Latin exempli gratia) means "for example." The abbreviation i.e. (from the Latin id est) means "that is."

In American English, a comma usually follows e.g. and i.e. In British English, no comma is required.

In contemporary writing, Latin abbreviations such as e.g. and i.e. are generally appropriate only in special circumstances that prize brevity, as in footnotes, bibliographies, and technical lists.

See also:


  • Verbal aggressiveness most often takes the form of character attacks (e.g., "You're a liar and a cheater!") or competence attacks (e.g., "You can't do anything right!").

  • Theories developed in the discipline of cognitive neuroscience attempt to illuminate the link between brain and mind (i.e., the ways that the physical systems of the brain produce the functional systems of the mind).


(a) Sometimes mistakenly confused with the Golden Rule (_____, do unto others as you would have them do unto you), the categorical imperative holds that a person should act only on the principles that he or she would want everyone else to act on.

(b) Certain types of slang signal judgments about gender roles (_____, Don Juan, slut, spinster, sissy, tomboy, stallion, chick).

Answers to Practice Exercises

Glossary of Usage: Index of Commonly Confused Words

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