Answer:

strove

AnswerCrossword Clue
STROVEMade an effort
STROVETried hard
STROVELabored
STROVEContended
STROVEEndeavored
STROVETried mightily
STROVEMoved heaven and earth
STROVEWorked hard
STROVEStruggled for success.
STROVETried hard.
STROVETried.
STROVEStruggled.
STROVELabored earnestly.
STROVEFought.
STROVEEndeavored.
STROVELabored hard
STROVEStruggled
STROVETried
STROVESpared no effort
STROVETried very hard
STROVEWent for it
STROVEFought
STROVETook pains
STROVEAimed
STROVEPut in effort
STROVEExerted much effort
STROVEMade a valiant effort
STROVEWent all-out
STROVEMade a concerted effort
STROVEGave it the old college try