PST

or P.S.T., p.s.t.

Pacific Standard Time.

Definition for pst (2 of 2)

psst

or pst

[ pst ]

/ pst /

interjection

(used to attract someone's attention in an unobtrusive manner.)

Origin of psst

First recorded in 1870–75

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pst

The two tradesmen immediately made their escape, but a low "Pst!"
Original Short Stories, Volume 7 (of 13)|Guy de Maupassant
It did me good to say all that out to a real gentleman, and—pst!
The Queen's Scarlet|George Manville Fenn
An' that, Miss Dorothy, is why I was a-wavin' at him an' sayin' "pst" to him.
A Proposal Under Difficulties|John Kendrick Bangs
We were just about to walk out from among the trees, when my companion, with a sudden, "Pst!"
The Trail of The Badger|Sidford F. Hamp

British Dictionary definitions for pst (1 of 2)

PST

abbreviation for (in the US and Canada)

Pacific Standard Time

British Dictionary definitions for pst (2 of 2)

psst

/ (pst) /

interjection

an exclamation of beckoning, esp one made surreptitiously

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012