1 adverb in puzzling waygo haisteach c m ugo mistéireach c m uthey mysteriously diedfuair siad bás ar chúis éigin nach dtuigimid2 adverb in strange, mystical waygo rúndiamhrachgo diamhairgo mistéireach c m uthe village was mysteriously enveloped by mistbhí an sráidbhaile faoi bhrat diamhair ceo3 adverb enigmaticallygo rúnda c m ugo mistéireach c m ushe smiled mysteriouslyrinne sí meangadh mistéireach gáire