'at the same time' definitions:

Definition of 'at the same time'

(from WordNet)
adverb
At the same instant; "they spoke simultaneously" [syn: simultaneously, at the same time]
adverb
Overlapping in duration; "concurrently with the conference an exhibition of things associated with Rutherford was held"; "going to school and holding a job at the same time" [syn: concurrently, at the same time]

Synonyms of 'at the same time'

From: Moby Thesaurus

Words containing 'at the same time'