conditional
unsettled
acting
ad hoc
ad interim
alternate
alternative
ambling
analytic
apprehensive
awkward
backup
band-aid
blankminded
callow
canny
careful
cautious
circumspect
claudicant
counterfeit
crawling
creeping
creeping like snail
cut-and-try
dangerous
deliberate
demurring
desultory
determined
diffident
discreet
disinclined
dumb
dummy
easy
empirical
empty
empty-headed
equivalent
ersatz
essay
essaying
examinational
examinatorial
examining
experiment
experimental
explorational
explorative
exploratory
apologetic
doubtful
furtive
hasty
hesitant
perfunctory
preliminary
previous
quick
reluctant
timid
uncertain
unsatisfactory
argumentative
preventative
representative
unrepresentative