Safe means free from harm.

Correct Option: B

Safe means free from harm. Its opposite is insecure.

The word Hasten (Verb) means : hurry; to say or do something without delay.

Correct Option: B

The word Hasten (Verb) means : hurry; to say or do something without delay.
The word Dawdle (Verb) means : to take a long time to do something or go somewhere.

The word Forthright (Adjective) means: frank; direct and honest in manner and speech; candid.

Correct Option: B

The word Forthright (Adjective) means: frank; direct and honest in manner and speech; candid.
The word Tricky (Adjective) means: Clever but likely to trick you, deceive you, deceitful.

The word Vanity (Noun) means: too much pride in your own appearance, abilities or achievements; arrogance.

Correct Option: B

The word Vanity (Noun) means : too much pride in your own appearance, abilities or achievements; arrogance.
The word Humility (Noun) means: the quality of being humble.

The word Antagonism (Noun) means : hostility; feelings of hatred and opposition; animosity ; enmity.
The word Cordiality (Noun) means : in a pleasant and friendly manner.

Correct Option: A

The word Antagonism (Noun) means: hostility; feelings of hatred and opposition; animosity; enmity.
The word Cordiality (Noun) means: in a pleasant and friendly manner.
Ex.
The antagonism he felt towards his old enemy was still very strong. You are cordially invited to the celebration.