cowardice

ˈkaʊədɪs

noun

lack of bravery.

my cowardice got the better of me and I crept out of the room

faint-heartedness,spiritlessness,spinelessness,timidity,timorousness,fearfulness,pusillanimity,weakness,feebleness,gutlessness,wimpishness,wimpiness,sissiness,wetness,poltroonery,recreancy,cravenness