Select the INCORRECTLY spelt word.

Firewall Directory Unforgatteble Hyperlink

Unforgatteble

The incorrectly spelled word is Unforgatteble. The correct spelling is Unforgettable. The word "Unforgettable" means "impossible to forget". It is derived from the words "un-", which means "not", and "forgettable", which means "able to be forgotten". The other words, "Firewall", "Directory", and "Hyperlink" are all spelled correctly.