oscillate
/ˈɑsəˌɫeɪt/
to move or swing back and forth; to vary between extremes
oscillate in a sentence
“Her mood oscillated between excitement and anxiety.”
Origin of oscillate
Latin oscillare to swing from oscillum little face, little mask (which was hung on trees to swing in the wind)
Related Words
fluctuate
to rise and fall irregularly in number or amount
manifest
to be clear or obvious to the eye or mind; to display or show
epitomize
to be a perfect example of a particular quality or type
ameliorate
to make something bad or unsatisfactory better
exacerbate
to make a problem, bad situation, or negative feeling worse
mitigate
to make less severe, serious, or painful