Phraseology
Falsifying v.
1. To make false or incorrect, especially so as to deceive
2. To alter fraudulently
3. To represent falsely
4. To show or prove to be false; disprove
5. To make false statements
Guileful adj.
1. Insidiously cunning; artfully deceptive; wily
Mendacious adj.
1. Telling lies, especially habitually; dishonest; lying; untruthful
2. False or untrue
Perfidious adj.
1. Deliberately faithless; treacherous; deceitful
Treacherous adj.
1. Characterized by faithlessness or readiness to betray trust; traitorous
2. Deceptive, untrustworthy, or unreliable
3. Unstable or insecure, as footing
4. Dangerous; hazardous