... and if you can admit this to yourself, then you have just admitted that it is entirely possible that the most important thing in your life is a fabrication, and thus organizing your life around such a belief was a gross mistake. (religion.blogs.cnn.com)
Taking the dictionary definition, blunder is «a gross mistake; an error due to stupidity and carelessness», and the authors are at pains to point out the distinction between blunders that are primarily behavioural or human in character and those that are more institutional, systemic or cultural. (totalpolitics.com)
The game still forces a studious survival instinct, demanding diligent play by offering nothing in the way of auto - save functionality, but this time around a gross mistake in timing — say, hitting a hard compulsory boss fight with crap weaponry and no time to get better kit - doesn't force a total restart. (gamesradar.com)