The meanings of the words are:

Agitation: a state of anxiety or nervous excitement.

Dilemma: a situation in which a difficult choice has to be made between two or more alternatives, especially ones that are equally undesirable.

Communication: the imparting or exchanging of information by speaking, writing, or using some other medium.

Conversation: a talk, especially an informal one, between two or more people, in which news and ideas are exchanged.

Anxiety: a feeling of worry, nervousness, or unease about something with an uncertain outcome.

Hence, option D is the correct answer.

The meanings of the words are:

Adverse: preventing success or development; harmful; unfavourable.

Unfavourable: expressing or showing a lack of approval or support.

Magnificent: extremely beautiful, elaborate, or impressive.

Agreeable: quite enjoyable and pleasurable; pleasant.

Immense: extremely large or great, especially in scale or degree.

Hence, option A is the correct answer.

The meanings of the words are:

Render: provide or give (a service, help, etc.).

Enable: give (someone) the authority or means to do something; make it possible for.

Differ: be unlike or dissimilar.

Criticize: indicate the faults of (someone or something) in a disapproving way.

Provide: make available for use; supply.

Hence, option D is the correct answer.

The meanings of the words are:

Defer: put off (an action or event) to a later time; postpone.

Announce: make a formal public statement about a fact, occurrence, or intention.

Postpone: cause or arrange for (something) to take place at a time later than that first scheduled.

Bifurcate: divide into two branches or forks.

Convince: cause (someone) to believe firmly in the truth of something.

Hence, option B is the correct answer.

Wide = of great or more than the average width.

Extensive = covering or affecting a large area.

Slight = small in degree; inconsiderable.

Slender = barely sufficient in amount or basis.

Tapered = gradually lessen.

Hence, option A is the correct answer.

“Constant” means “occurring continuously over a period of time” and “persistent” means “continuing to exist or occur over a prolonged period”. They share a similar meaning so they are synonyms.

Meanings of other options are:

Fitful = not regular or steady.

Sporadic = occurring at irregular intervals or only in a few places.

Erratic = not even or regular in pattern or movement; unpredictable.

Hence, ‘option B’ is the correct answer.

Toddler = a young child who is just beginning to walk.

Infant = a very young child or baby.

Mature = fully developed physically; full-grown.

Grown = undergone natural development by increasing in size and changing physically.

Adult = a person who is fully grown or developed.

Hence, option D is the correct answer.

“Fanciful” means “over-imaginative and unrealistic.” and “whimsical” means “playfully quaint or fanciful, especially in an appealing and amusing way”. They share a similar meaning so they are synonyms.

Likely = such as well might happen or be true.

Expected = regarded as likely; anticipated.

Probable = likely to happen or be the case.

Hence, ‘option B’ is the correct answer.

Terminate = to bring to an end.

Imitate = take or follow as a model.

Interrupt = stop the continuous progress of an activity.

Initiate = to begin something.

Examine = inspect thoroughly in order to determine the nature or condition.

Hence, option C is the correct answer.

“Mesh” means “make or become entangled or entwined” and “tangle” means “twist together into a confused mass”. They share a similar meaning so they are synonyms.

Meanings of other words are:

Disengage = become released

Extricate = free (someone or something) from a constraint or difficulty.

Liberate = release (someone) from a situation which limits freedom of thought or behaviour.

Hence, ‘option B’ is the correct answer.