adverb an adverb modifies or describes a verb, adjective, or another adverb; in this case, 'rarely' modifies the frequency of an action or event, indicating that it happens infrequently or seldom
Stocks in this sector rarely see significant fluctuations.
Rarely seen side effects may include nausea and dizziness.
This cutting-edge technology is rarely available to the general public.
Students rarely have the opportunity to study abroad.
This hidden gem of a destination is rarely visited by tourists.
In writing, 'rarely' is used to indicate something that happens infrequently or almost never. For example, a writer may use 'rarely' to describe a character's behavior or a specific event in a story.
Psychologists may use 'rarely' when discussing the frequency of certain behaviors or experiences in their research or when describing the likelihood of certain outcomes in therapy. For example, a psychologist may say that a particular symptom rarely occurs in a certain population.
Teachers may use 'rarely' when discussing student behavior or academic performance. For example, a teacher may say that a student rarely turns in assignments on time or rarely participates in class discussions.
Doctors may use 'rarely' when discussing the occurrence of certain medical conditions or symptoms. For example, a doctor may say that a particular side effect of a medication rarely occurs in patients.
Engineers may use 'rarely' when discussing the failure rate of a particular component or system. For example, an engineer may say that a certain type of bridge rarely experiences structural issues.