Other crossword clues for answer "ONCEINALIFETIME"ONCEINALIFETIMEType of opportunityVery rareNumber of NBA championships won by Bill Russell?UltrarareHit play of 1930.Kaufman-Hart play.RareInfrequentlyPlay about HollywoodNever? Well, almostSeldom, and then someSlightly more than neverKaufman-Hart play: 1930Hardly everVery unusualRarelyBricusse-Newley song: 1961Like certain opportunitiesExtremely rareVery rarely indeedLike opportunities that might be hard to declineRarer than rareTalking Heads' "As the days go by, let the water hold me down" song