implausibility

noun implausibility

• doubtfulness — of uncertain outcome or result.
• uncertainty — the state of being uncertain; doubt; hesitancy: His uncertainty gave impetus to his inquiry.
• impossibility — condition or quality of being impossible.
• rarity — something rare, unusual, or uncommon: Snowstorms are a rarity in the South.
• unreasonableness — not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person.