- at least; at any rate.
Origin of leastwise
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for leastwise
Leastwise, he ain't what you'd go so far as to call a boon companion.
You see we never has none of 'em in Wolfville; leastwise we never does but once.
Don't let her get any nearer, leastwise while he's aloft with the glasses.Sonnie-Boy's People
James B. Connolly
I was a baby, as you may say; leastwise a child of three or four.Hildegarde's Holiday
Laura E. Richards
Taking "lest" for least, can it have been used for at least, or as some people say, leastwise?