Synonyms of unassertiveness

2 Syllables
yielding, assent, meekness, bowing, cringing
3 Syllables
surrender, submissions, subjection, defeatism, passivism, submitting, submission, humbleness, prostration, pliabilty, recreancy
4 Syllables
resignation, humility, passivity, diffidence, acquiescence, appeasement, docility, deference, obedience, servility
5 Syllables
capitulation, malleability, nonresistance, submissiveness, tractability