Wiktionary
a. 1 having the properties of space 2 (label en physics of the interval between two events in spacetime) lying outside each other's light cone, so that no information can pass from one to the other 3 (label en mathematics of a four-vector) having a space component of greater magnitude than its time component multiplied by the speed of light alt. 1 having the properties of space 2 (label en physics of the interval between two events in spacetime) lying outside each other's light cone, so that no information can pass from one to the other 3 (label en mathematics of a four-vector) having a space component of greater magnitude than its time component multiplied by the speed of light
Usage examples of "spacelike".
And it was the duality of universes, each exhibiting a spacetime decomposed into two discrete dimensions, which gave rise to the two-way duality manifested by tweedles and antitweedles: Dums, dees, antidums, and antidees were simply spacelike, timelike, antispacelike, and antitimelike projections of the same fundamental entity existing in the timeless, spaceless domain of tweedlespace.
At which point they’d realize that the cumulative clock-delay he’d bodged into the Lord Vanek’s fourspace guidance system had screwed the pooch, completely buggering their plan to sneak up on the Festival via a spacelike trajectory.
No access to multiplicity, no willpower, to be limited to purely spacelike resources, at the mercy of predatory borganisms and metareligions – it's no picnic out there!