-not expressed or declared openly, but implied or understood
She nodded her head as tacit agreement to my proposal.
-foolish, silly, lacking sense or meaning
His inane idea was rejected by everyone.
-foolish for a grown person to say or do; childish
The professor would not tolerate such puerile behavior in a university classroom.
-kept secret or hidden especially for some illegal purpose; secretive
The clandestine activities of the terrorist group were never discovered by the police.
-to speak evil of; to slander
I cannot bear to hear you all malign such a good man, especially when he is not here to defend himself.
-too great a desire to have wealth; greed for riches
His avarice was insatiable and led to his destruction.
-to make clear; explain
Can you elucidate your opinion with an example, please?
-hostility, antagonism, hatred;
The enmity between them was so great that they never spoke to each other again.
-to lie; to speak falsely or misleadingly; to create an incorrect impression in order to deceive
He has prevaricated too many times in the past, so I refuse to do business with him anymore.
-merry; cheerful; happy
Our neighbor is a blithe fellow who always tells such funny stories.