Fastness

Antonyms of FASTNESS

perfidy, slowness, faithlessness, procrastination, lateness, languor, reluctance, sluggishness, deliberation, unfaithfulness, deliberateness, disloyalty, torpor, treachery, lethargy, disaffection, dilatoriness, inconstancy, falsity, separation, infidelity, falseness, perfidiousness, alienation, torpidity, languidness, estrangement, leisureliness.