Mumford & Sons' reintroduction of the banjo with the unfailingly catchy single Little Lion Man.
His parents were unfailingly supportive.
But Woods is unfailingly polite in public conversation, the consummate politician.
Tim Krabbe is a fit, healthy Dutchman of 62 with a booming voice and an unfailingly jovial manner.
Sartre, drinking heavily and gobbling pills, avoided guilt by keeping unfailingly to the schedule.
But the quality of the alcohol is average and the bar staff, though unfailingly friendly, meet the request for a martini with a blank.
But it was unfailingly budget-conscious.