Plural of blundering; multiple instances or acts of making careless mistakes.
From the present participle 'blundering' treated as a gerund (a noun form of the verb), pluralized with the regular '-s' suffix. Gerunds can be pluralized when referring to multiple instances of an action.
When we turn 'blunder' into 'blundering' to 'blunderings,' we're changing it from a verb to an action-noun, allowing us to count mistakes like objects—'his blunderings cost us the game.'
Complete word intelligence in one call. Free tier — 50 lookups/day.