concurrently, synchronously, instantaneously, alternately, thereby, continuously, seamlessly, effortlessly, endlessly, flawlessly, dynamically, instantly, effectively, frenetically, constantly, serially, optimally, transparently, intelligently, horizontally, remotely, asymmetrically, symmetrically, independently, thus, separately, across, furiously, maniacally, agilely, robotically, digitally, fluidly, dexterously, ceaselessly, heterogeneously, adaptively, energetically, cohesively, identically, synergistically, invisibly, incessantly, vertically, successively, mindlessly, efficiently, relentlessly, daisy chain, adroitly, onscreen, visually, selectively, kinesthetically, graphically, skillfully, continually, artfully, furtively, extemporaneously, blithely, instead, resonant cavity, randomly, maximally, theoretically, deftly, frenziedly, simply, silently, distractedly, literally, audibly, nimbly, essentially, intermittently, joyfully, hypnotically, periodically, harmoniously, stealthily, passively, subtly, disruptively, limitlessly, practically, elegantly, compatibly, electronically, coherently, incrementally, jerkily, whilst, stochastically, pointlessly, daisy chaining, orthogonally, rewardingly, noiselessly, elastically, individually, discretely

., arbitrage, arpeggio, at a time, at once, at one time, barrage jamming, bilocation, border, camera lucida, chorus, coincide, concur, coseismal, coseismic, dual scan display, duplex, epidemic, gallop, in chorus, in the same breath, in unison, juggle, juggling, multichannel recorder, non-dedicated file server, parallel interface, parallel port, polygraph, polytonal, potentiation, simulcast, simultaneous equations, sixty-nine, skirt, soixante-neuf, surround, synchronise, synchronize, time sharing, umbrella, unison

at the same time