From Longman Dictionary of Contemporary Englishfeatfeat /fiːt/●くろまる○しろまる○しろまる noun [countable]DOsomething that is an impressiveachievement, because it needs a lot of skill, strength etc to doremarkable/considerable/incredible etc featThey climbed the mountain in 28 days, a remarkable feat.feat ofan incredible feat of engineeringperform/accomplish/achieve a featthe woman who performed the feat of sailing around the world aloneno mean feat (=something that is difficult to do)It is no mean feat to perform such a difficult piece.Examples from the Corpusfeat• He led his team to victory for the tenth time, a feat no captain had achieved before.• The circusacrobatsperformamazingfeats on the trapeze.• In the great outdoors, the merit of any feats become meaningless.• acrobatic circus feats• Using the code requires incrediblefeats of memory.• Powell achieved a similarfeat, but then resigned.• The lucky boy accomplished the feat, and caught the evil, greedyking in a curse at the same time.• He proved how difficult this feat is by failing to repeat it at the second time of asking.no mean feat• Was only beaten once by Tilson and given the game Tillo was having that is no mean feat.• Given that there are some 20,000 such fastenings in a boat of this size, this is no mean feat.• This is no mean feat as the statute has 108 sectionsdivided into 12 separate parts, together with 15 schedules.• On Tuesday Invergordon Distillers reported a marginalimprovement in underlyingprofits, no mean feat given the difficulties facing the whiskysector.• The discovery of an effect with such a long latent period was no mean feat of epidemiology.Originfeat(1300-1400)Old Frenchfait"thing done", from Latinfactum; → FACT