What is "falters"

Usage examples of "falters".

Thanks to his patient kindness which never falters, he has brough me almost there.

Love-suffused she quivers, Falters - Falters, sighs, but never speaks, All her rosy blood up-gushing Overflows her ripe young cheeks.

X Still upon her sunless soul Gleams the narrow hidden space Forward, where her fiery race Falters on its ashen goal: Still the Future strikes her face.