plural of center of effort

plural of effort distance

(engineering, rail transport) the tractive force that can be generated (by a locomotive) and used to pull a train.

A coordinated mobilisation of a country's resources, both industrial and human, in support of its military forces during a war.

Third-person singular simple present indicative form of spare no effort

simple past tense of spare no effort

present participle of spare no effort

The situation where members of a minority group put in only minimal effort (e.g. in school) since they believe that discrimination will in any case doom them to failure.