I'll be bound meaning: definition, quotations

I'll be bound

phrase

I am certain (that something is true)

Where are those teenagers going at this time of night? Up to no good, I'll be bound!
I’ll be bound Lady Ashton understands every machine for breaking in the human mind, and there are as many as there are cannon-bit, martingales, and cavessons for young colts.1819, Jedediah Cleishbotham [pseudonym; Walter Scott], Tales of My Landlord, Third Series. […], volume III (The Bride of Lammermoor), Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Co.; London: Longman, Hurst, Rees, Orme, and Brown, […]; Hurst, Robinson, and Co. […], →OCLC, page 8:

intj

Idiomatic An expression of surprise.

Well, I'll be bound!! Another example of following the rules and being undercut on pricing by those who don't follow the regs.2007 June 7, tightenit, “Installation of TMV Valve”, in Screwfix Community:
"Well, I'll be bound," Ruby said with a dreamy sigh.2015, Mary Monroe, Mama Ruby: