War had been revolutionised, and our old calculations of effectives and losses must go by the board.
As we had only seven effectives, and they had more than forty, it was no slight task.
His command was reduced to about three hundred effectives—the rest were suffering from the erisipelas.
By the returns, Cleburne's brigade was the largest, having 2,750 effectives.
His line of communication was in danger of being cut and his force had been reduced to about six thousand effectives.
The Southern army amounted to about seventeen hundred effectives.
Malcolm Carr was now in charge of a garrison of four effectives all told.
Of the rank and file Scott now had 8061 effectives and 2215 sick.
I have not twelve thousand effectives, and of these not nine thousand fit for duty.
General Joffre replied by a rapid change in the position of his effectives.
late 14c., from French effectif, from Latin effectivus "productive, effective," from effect-, stem of efficere (see effect (n.)). Effectively in the sense of "actually" is attested by 1650s. Related: Effectivity.