Weariness
Tiresomeness
noun
あき
秋 (あき) Autumn, Fall
飽き (あき) Weariness, Tiresomeness
飽きる (あきる) To Get Tired Of, To Lose Interest In
飽くまでも (あくまでも) To The Last, To The End
疲れ (つかれ) Tiredness, Fatigue
疲労 (ひろう) Fatigue, Weariness
疲弊 (ひへい) Exhaustion, Impoverishment
Yuri says 飽き means Weariness as in mentally bored of.