Anti
Clean, sterile, substance that prevents infection.
"After scraping her knee, Jessica used an ______ to clean the wound and prevent infection."
Antiseptic
Something that prevents one from moving forward.
"It felt like she couldn't move her car, there was an ____ in the way."
Obstacle
To speak against; to say the opposite.
"John's story seemed to ______ what he had said earlier, making everyone confused."
Contradict
Relieves symptoms of depression
"The doctor prescribed an ________ to help improve his mood and make him feel better."
Antidepressant
It is designed to fight against or kill bacteria.
"She used some ______ soap after touching a dirty rag."
Antibacterial
Throw against.
"The students object to the new school rule because they think it's unfair."
Object
Fake; false
"The store owner realized the money was _____ when he noticed the fake bills didn't have the right security features."
Counterfeit
Difference between things.
"The bright colors of the flowers ____ beautifully with the dark green leaves."
Contrast
It is to help protect healthy cells from the damage caused by the normal aging process as well as from certain types of cancer.
"Blueberries are rich in _____, which helps protect our cells from damage."
Antioxidants
To be or get in the way of; prevent; hinder
"The car ____ his view of the fire hydrant."
Obstructed
Device or gadget
"He built a strange ______ out of old bicycle parts and wires that could launch tennis balls."
Contraption
A remedy that stops or controls the effects of a poison.
"After being bitten by that snake, Luke looked better after receiving the ____."
Antidote
Unfriendly, not enjoying the company of others.
"George felt _____ at the party and preferred to sit alone."
Antisocial
An act or course of action to which a person is morally or legally bound; a duty or commitment.
"She was _____ to help her friend with the dance routine."
Obligated
A challenge to a position; an opposing argument.
"The _____ he made against his opponent was truly magnificent."
Counterargument
To destroy completely.
"The house was ______ from the tornado."
Obliterated
Medicine is used to save lives because it destroys harmful bacteria and cures infections.
"Lola had to take ____ for her cough."
Antibiotics
Noticeable or prominent in an unwelcome or intrusive way.
"His ______ questions made everyone at the meeting uncomfortable."
Obtrusive
Illegal traffic smuggled goods.
"The student had sneaked in some _____ items in his backpack."
Contraband
Not clear or hard to understand.
"The meaning of the poem was _____ to many readers."
Obscure