1. aberration (noun) a departure from what is normal, usual or expected, typically an unwelcome departure.
Sentences containing the noun ‘aberration.’
Shelley’s angry retort was an aberration from her normally quiet demeanor.
Since I did not properly adjust my camera settings, all of my pictures have a blurry aberration on them.
If your goal is to reduce the likelihood of an aberration occurring in your experiment, then you need to carefully read all the instructions before beginning the procedure.

2. Week Four abhor (verb) to regard with disgust and hatred
Sentences containing the verb ‘abhor’
I abhor violence.
I am distraught that my image has been used to perpetuate something that I abhor.
I abhor the tasteless commercial frozen, waterlogged chickens found in more supermarkets.

3. Week Five acquiesce (verb) If you acquiesce in something, you agree to do what someone wants or to accept what they do
Sentences containing the verb ‘acquiesce’
Steve seemed to acquiesce in the decision
When her mother suggested that she stay, Alice willingly acquiesced.
Synonyms: accept, agree, allow, approve, assent, bow to, comply, concur, conform, consent
Antonyms: balk at, contest, demur, disagree, dissent, fight, object, protest, refuse, resist

4. Week Six alacrity (noun) (alakcritee) If you do something with alacrity, you do something eagerly and quickly
Sentences containing the verb ‘alacrity’
As you can imagine, I accepted with alacrity
This was not done with sufficient alacrity, meaning he missed out.
Synonyms: eagerness, enthusiasm, willingness, readiness
Antonyms: apathy, indolence, laziness, sluggishness

5. Week Seven amiable (adjective) Someone who is amiable is said to be friendly and pleasant to be with.
Sentences containing the adjective ‘amiable’
She had been surprised at how amiable and polite he had seemed.
The amiable duke and duchess of Luxembourg, who were his neighbours at Montlouis, made his acquaintance
Synonyms: pleasant, kind, pleasing, affable
Antonyms: surly, ill-natured

6. Week Eight appease (verb) If you try to appease someone, you try to stop them from being angry by giving them what they want.
Sentences containing the verb ‘appease’
That will not appease all critics.
With no need to appease shareholders, the costs would come down.
It’s done for political reasons, and to appease the many who vote.
Synonyms: pacify, satisfy, calm, soothe
Antonyms: provoke, enflame, rouse, hassle