The highest scoring word in Words With Friends is BOSSY with a total of 10 points.
Synonyms: domineering, dominating, overbearing, imperious, masterful, autocratic, autarchic, officious, high-handed, high and mighty, authoritarian, dictatorial, strict, harsh, severe, iron-handed, controlling, despotic, tyrannical, draconian, oppressive, subjugating, undemocratic, anti-democratic