by the by
undeservedly
ill-deserved
unwitting
unintendedly
unintending
unintendingly
accidentally
on the hop
unmeritingly
mis-
desertlessly
unmeritedly
mal-
discouraged
uncredited
unplanned
unsupposed
unpreparedly
improvided
unsuspect
unwittingly
unintended
ob.
by accident
uncomely
unscripted
unascertained
unconsideredly
Lord willing and the creek don't rise
Lord willing
crabwise
God willing
background
unobservantly
capriciously
nonprepared
unincidental
unrecalled
by chance
unpresentably
freakishly
unlooked for
nondiscounted
uncontrivedly
unattributably
unauspiciously
circumstantially
unconcernedly
unduly