tergiversate

Definition of Tergiversate in English :

be deliberately ambiguous or unclear in order to mislead or withhold information

2. apostatise, apostatize, tergiversate

abandon one's beliefs or allegiances

WordNet Lexical Database for English. Princeton University. 2010.

Tergiversate

verb (intransitive)

1.

to change sides or loyalties; apostatize

2.

to be evasive or ambiguous; equivocate

verb intransitiveWord forms: ˈtergiverˌsated or ˈtergiverˌsating

1.

to desert a cause, party, etc.; become a renegade; apostatize

2.

to use evasions or subterfuge; equivocate

intr.v. ter·giv·er·sat·ed, ter·giv·er·sat·ing, ter·giv·er·sates

1. To use evasions or ambiguities; equivocate.

2. To change sides; apostatize.