1) to move, walk or act in an uncertain or hesitating manner, from either weakness or fear (falter)
2) (of a person) able to speak easily and without hesitating (fluent)
3) the state of hesitating (hesitation)
4) not hesitating (unfaltering)
reluctant or unwilling
unwilling
tending to hesitate
uncertain, waiting
(of speech) not clear or distinct; not jointed
unable to speak well
not decisive
uncertain, indefinite
(slow to act because) unwilling
unenthusiastic, unwilling
(US = skeptical) in the habit of not believing, of questioning the truth of, claims, statements etc
disbelieving, leery
not willing (to do something)
not in the mood