Notwithstanding means in spite of, in formal writing. Notwithstanding the delay, notwithstanding the above, the objections notwithstanding.
It is unusual in being able to go before or after the thing it governs, which almost nothing else in English does. It belongs to contracts and to legal drafting, where notwithstanding anything to the contrary is a standard opening.
1prepositionnotwithstandingIn spite of, in formal writing.
“Notwithstanding the bad weather, the match went ahead as planned.”
notwithstanding is a connective.
Not plus withstanding, a Middle English formation translating a Latin construction.
Middle English
notwithstandinge
English, today
notwithstanding
From Middle English notwithstandinge, notwithstondyng, natwithstandyng, equivalent to not + withstanding. Compare Middle English notgainstonding, not aȝenstondynge, of similar meaning and formation.
Etymology from Wiktionary, CC BY-SA