Similar words: while, awhile, while away, meanwhile, worthwhile, worth while, after a while, once in a while. Meaning: ['ɜːstwaɪl] 
adj. belonging to some prior time. adv. at a previous time.
adj. belonging to some prior time. adv. at a previous time. 
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31. And New York - based Human Rights Watch has faced dissent erstwhile supporters for being harsh on Israel.
32. Geographic location, education and the erstwhile caste system being some of the key factors.
33. The dominant features of today's economy is that erstwhile private borrowers are, it bluntly, bust.
34. For an erstwhile growth stock , these numbers are shattering,[www.Sentencedict.com] and analysts down-rated the share which is now in my buy range.
35. Port St. Joe is the site of Florida's first Constitution Convention, and a museum remembers it and the erstwhile town of St. Joseph.
36. But behind the bonhomie and poems of friendship, China's relationship with its impoverished southeastern neighbor and erstwhile ally formerly known as Burma is deeply troubled.
37. Panama is indeed now far removed from its erstwhile financial free - for - all.
38. Indeed, it's the songs of Pollard's erstwhile sideman, Tobin Sprout, that threaten to steal this particular show.
39. Continental Europeans want tighter constraints on the erstwhile titans of finance.
40. Hilary Clinton's status as an erstwhile Obama rival might undermine the traditional trump card of a secretary of state.
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