improbance, n.f., (jur.) inconclusiveness.
improbant, -e, adj., (jur.) inconclusive.
improbat-eur, -rice, n. and adj. V. désapprobateur.
improbation, n.f. V. désapprobation.
improbe, adj., dishonest.
improbité, n.f., improbity, dishonesty.
improductibilité, n.f., unproductiveness.
improductible, adj., unproducible.
improducti-f, -ve, adj., unproductive.
improductivement (-tiv-mān), adv., unproductively.