ADJ. cooperative, joint | brave, gallant, heroic | earnest, honest the government's honest endeavours to improve the lives of the poor | lifelong Learning a foreign language well can be a lifelong endeavour. | fruitless, futile, unsuccessful | successful | human Enthusiasm is a vital ingredient in all human endeavour. | artistic, creative, educational, intellectual, political, scientific She always encourages her children in their artistic endeavours.
VERB + ENDEAVOUR make You must make an endeavour to work harder.
PREP. in an ~ We wish her every success in this endeavour. In an endeavour to improve the service, they introduced free parking.
PHRASES your best endeavours Despite her best endeavours, she couldn't persuade anyone to volunteer. | a field of endeavour He has the ability to achieve success in whatever field of endeavour he should choose. | make every endeavour We will make every endeavour to obtain sufficient supplies.