vigor
used in Ender's Game

only 1 use

(click/touch triangles for details)

Definition

forceful exertion;
or: active strength of body or mind;
or: an imaginative lively style (especially style of writing)

Dink trained his toon independently from the rest of Rat Army, with discipline and vigor; he never consulted with Rose, and only rarely did the whole army maneuver together.
Chapter 8 (22% in)

There are no more uses of "vigor" in Ender's Game.

Typical Usage (best examples)