But the walls were solid and untampered with, and the nails in the floor had clearly not been disturbed for many years.
Apparently it had been untampered with, for the key worked perfectly.
Not a single bar had been wretched; the locks, shutters, and bolts were all untampered with.
1560s, figurative use of tamper "to work in clay, etc., so as to mix it thoroughly," probably originally a variant of temper (v.), which is how it was initially spelled. Perhaps it is a dialectal workmen's pronunciation. Related: Tampered; tampering.