difference between "gaffe" and "blunder"

[Meral]

Synonym Search, Intermediate level

ESL/EFL Test #115 "Synonyms for mistake and blunder", question 8

Julia married to an old rich man when she was only eighteen because all she wanted was to be rich. Years later she realized it was a big ..........

(a) error
(b) blunder
(c) inaccuracy
(d) mistake

Synonym Search, Intermediate level

ESL/EFL Test #115 "Synonyms for mistake and blunder", answer 8

Julia married to an old rich man when she was only eighteen because all she wanted was to be rich. Years later she realized it was a big mistake.

Correct answer: (d) mistake

Your answer was: correct
_________________________

Hello,
Could you tell me the difference between "gaffe" and "blunder" please?

Meral

[Mister Micawber]

.
A gaffe is a social blunder.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber