At once
At once adverb - Without delay or hesitation; with no time intervening.
Pressing and at once are semantically related. in instantaneous topic. In some cases you can use "Pressing" instead an adjective phrase "At once".
Both terms in one sentence
- Several of the mining facilities in Halo: Reach are owned by the BXR company, a reference to a well-known exploitable glitch in Halo 2 that involved pressing several controller buttons at once.
Source: Mythology Gag / Video Games -
Pressing the strings also covers up the flute-holes, changing the pitch of both at once and making it virtually impossible to play.
Source: Bizarre Instrument -
There's also the power stance, which allows you to attack with both weapons at once when pressing the attack buttons for your left hand.
Source: Video Game / Dark Souls II
Cite this Source
Pressing and At once. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/at_once/pressing
At once & Pressing. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/at_once/pressing>.
Pressing or At once. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/at_once/pressing.
Google Ngram Viewer shows how "at once" and "pressing" have occurred on timeline