DOUBTABLE
Doubt"a*ble, a. Etym: [OF. doutable, L. dubitabilis, from dubitare.
Cf. Dubitable.]
1. Capable of being doubted; questionable.
2. Worthy of being feared; redoubtable. [Obs.]
DOUBTANCE
Doubt"ance, n. Etym: [OF. doutance. Cf. Dubitancy.]
Defn: State of being in doubt; uncertainty; doubt. [Obs.] Chaucer.
DOUBTER
Doubt"er, n.
Defn: One who doubts; one whose opinion is unsettled; one who scruples.
DOUBTFUL
Doubt"ful, a.
1. Not settled in opinion; undetermined; wavering; hesitating in belief; also used, metaphorically, of the body when its action is affected by such a state of mind; as, we are doubtful of a fact, or of the propriety of a measure. Methinks I should know you, and know this man; Yet I am doubtful. Shak. With doubtful feet and wavering resolution. Milton.
2. Admitting of doubt; not obvious, clear, or certain; questionable; not decided; not easy to be defined, classed, or named; as, a doubtful case, hue, claim, title, species, and the like. Beauty is but a vain and doubtful good. Shak. Is it a great cruelty to expel from our abode the enemy of our peace, or even the doubtful friend [i. e., one as to whose sincerity there may be doubts] Bancroft.