effort
Concise Oxford English Dictionary © 2008 Oxford University Press:
effort/ˈefət/
▶noun
- 1 a vigorous or determined attempt.
■ strenuous physical or mental exertion.
- 2 technical a force exerted by a machine or in a process.
– derivatives
effortful adjective,
effortfully adverb.
effortful adjective,
effortfully adverb.
– origin C15: from Fr., from OFr. esforcier, based on L. ex- ‘out’ + fortis ‘strong’.
'effort' also found in these Oxford entries:
achieve
- Alexander technique
- application
- ask
- attempt
- backwards
- beget
- bid
- bite
- blitz
- break
- broke
- burst
- buy
- canter
- careless
- carve
- catch
- charette
- cheap
- climb
- coast
- concerted
- conscious
- convenience
- cost
- courage
- crash
- crown
- demanding
- difficult
- diligence
- doctor
- doing
- drive
- ease
- easily
- easy
- efficient
- effortless
- endeavour
- essay
- exert
- extract
- facility
- fighting chance
- flog
- foot
- force

