statically indeterminate
Adjective, Construction
unstable angina pectoris
Noun, Medicine
to hang in the balance
Verb
to be infirm of purpose
Verb
to blow hot and cold
Verb
to waver in one's resolution
Verb
swing voter
Noun, Politics-Intl. Relations
floating voter
Noun, Politics-Intl. Relations
undecided voter
Noun, Politics-Intl. Relations