1) Alternation 2) Changeableness 3) Demur 4) Doubt 5) Doubtfulness 6) Dubiety 7) Dubiousness 8) Fluctuation 9) French word used in English 10) Hesitancy 11) Hesitating 12) Hesitation 13) Incertitude 14) Indecision 15) Indecisiveness 16) Indetermination 17) Infirmity of purpose 18) Lack of decision or purpose Found on https://www.crosswordclues.com/clue/irresolution
• (n.) Want of resolution; want of decision in purpose; a fluctuation of mind, as in doubt, or between hope and fear; irresoluteness; indecision; vacillation. Found on http://thinkexist.com/dictionary/meaning/irresolution/
Ir·res`o·lu'tion noun [ Confer French irrésolution .] Want of resolution; want of decision in purpose; a fluctuation of mind, as in doubt, or between hope and fear; irresoluteness; indecision; vacillation. « Irresolution on the schemes of life which offer themselves to our choice, ... Found on http://www.encyclo.co.uk/webster/I/99