The phrase "past acquaintance" is grammatically correct and can be used in written English
It refers to someone who you knew or had some interaction with in the past but are no longer in contact with. Example: "I ran into a past acquaintance at the supermarket yesterday and we caught up on old times."
I wished that past acquaintance could see Mr. Grumpy now.
Mr. Gensler recused himself from the investigation of MF Global after Senator Charles E. Grassley, Republican of Iowa, raised questions about Mr. Gensler's past acquaintance with Mr. Corzine.
In several of your stories, we meet middle-aged characters who are caught off-guard and thrown into an existential crisis by a chance encounter with a past acquaintance.
If someone picks up the memoir of a past acquaintance without turning first to the index to check if he (or she) is in it, then he (or she) is either a saint, a liar or Stevie Wonder.
quality, 8), rather than, as in Plato and Aristotle, also their greater pleasantness — but on the same ground of the authoritative choice of intellectuals who are supposedly uniquely qualified to judge by virtue of their past acquaintance with experiences of both kinds.
Some are human: distant relatives and past acquaintances may suddenly want to rekindle a friendship.
When past acquaintances ask me if bodies are still dumped in Red Hook (now called the "the oceanfront"), I smile.
In middle age, Conant continued shedding past acquaintances who might remind him of his squandered potential — his "checkered career," as he often put it — in favor of an endlessly renewable social resource: the riverbank.
Several of you found yourselves in the same position I did: feeling bad that people thought they were being ignored: "Now I have to apologize to several past acquaintances and let them know I haven't been blowing them off!" Several readers wanted to know how they could access the Other folder on their phones or tablets.
Outside of work, you can use social media to stay in contact with past acquaintances and expand your network.
Several of Godwin's past acquaintances spurned him, he found himself increasingly the subject of attack by loyalist newspapers, and his philosophical opinions were parodied and ridiculed in novels, reviews and pamphlets.
