Tending to tell lies, untruthful, mendacious
The act of one who lies, or keeps low to the ground.
An act of telling a lie or falsehood.
Of an argument: whose conclusion is always true whenever its premises are true.
Well grounded or justifiable, pertinent.
Genuine - as distinguished from efficient or regular - sacrament.
Related to the current topic, or presented within context, relevant.
Of a formula or system: such that it evaluates to true regardless of the input values.
Acceptable, proper or correct; in accordance with the rules.