SINN FEIN(noun)Did you mean?RhymesDefinitions There is 1 meaning of the phrase Sinn Fein. Sinn Fein - as a noun An irish republican political movement founded in 1905 to promote independence from england and unification of ireland; became the political branch of the irish republican army Word Variations & RelationsAnagrams of SINNFEINStarts SStarts SIStarts SINStarts SINNEnds NEnds INEnds EINEnds FEINStarts S & ends NStarts SI & ends NStarts S & ends INWords containing SINNFEINA-Z Proximitiessinky12sinless7sinlessly12sinlessness11sinlessnesses13 Sinn Fein sinned7sinner6sinnered9sinnering10sinners7