at once
noun
1.
the case expressing ownership
adays against always amidships amidst amongst at best at ends athwartships at last at least at loggerheads at most at odds at worst backwards begetting betimes downwards etc for the nonce forwards hence hers inwards kindly mornings nce once onwards outwards ownenly rShow words since sometimes st thrice to the nines towards twice unbeknownst upwards whiles whilst whose genitive genitive case possessive possessive case