effort
— Noun
– English
~ a series of actions advancing a principle or tending toward a particular end; "he supported populist campaigns"; "they worked in the cause of world peace"; "the team was ready for a drive toward the pennant"; "the movement to end slavery"; "contributed to the war effort"
effortfulness
— Noun
– English
~ the quality of requiring deliberate effort
effortlessness
— Noun
– English
~ the quality of requiring little effort; "such effortlessness is achieved only after hours of practice"
effrontery
— Noun
– English
~ audacious (even arrogant) behavior that you have no right to; "he despised them for their presumptuousness"
effulgence
— Noun
– English
~ the quality of being bright and sending out rays of light