valiant effort• No outcome seems too impossible or, at least, unworthy of valiant effort.• Despite valiant efforts by our physiotherapists, my hamstring did not recover in time for the 200 metres.• A great deal of bombdebris still remains to be cleared, but valiant efforts have been made to removerefuse.• At least that's what I gather from watchingArt Jacobson's futile but valiant efforts to build community on the Internet.• We do not therefore believe the draftguidance, despite valiant efforts to convince, has fully embraced the concept of sustainability.• The Forestry Commission are making valiant efforts to re-create these old woodlands, and are trying to preserve the little that remains.• Impressionsgleaned in childhood and rein forced in adolescencecling like limpets into adulthood despite valiant efforts to shake them off.
Originvaliant
(1300-1400)Old French present participle of valoir“to be of worth”, from Latinvalere; → VALOR