simultaneously
AdverbSynonyms:
at the same time
WordNet 3.0
Adverb (1)
- at the same instant“they spoke simultaneously”Synonyms: at the same time
Webster's Dictionary (GCIDE)
Simultaneous \Si`mul*ta"ne*ous\, a. [LL. simultim at the same time, fr. L. simul. See Simulate.] Existing, happening, or done, at the same time; as, simultaneous events. -- Si`mul*ta"ne*ous*ly, adv. -- Si`mul*ta"ne*ous*ness, n. [1913 Webster]
Simultaneous equations (Alg.), two or more equations in which the values of the unknown quantities entering them are the same at the same time in both or in all. [1913 Webster]