Term: roller coaster: anything characterized by abrupt and extreme changes (especially up and down)
Candidate hypernym: entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving) → 1
Candidate hypernym: dipsacaceae: chiefly southern European herbs with flowers usually in dense cymose heads → 0
Candidate hypernym: drippings: fat that exudes from meat and drips off while it is being roasted or fried → 0
Candidate hypernym: large-leaved magnolia: large deciduous shrub or tree of southeastern United States having huge leaves in dense false whorls and large creamy flowers tinged purple toward the base → 0
Candidate hypernym: impromptu: an extemporaneous speech or remark → 0
Candidate hypernym: front tooth: a tooth situated at the front of the mouth → 0
Candidate hypernym: luncher: someone who is eating lunch → 0
Candidate hypernym: dolichocephalic: an adult with a long narrow head → 0
Candidate hypernym: pilot bit: a small bit that drills a first hole to guide a larger drill → 0
Candidate hypernym: cyanophyta: prokaryotic organisms sometimes considered a class or phylum or subkingdom; coextensive with the Cyanophyceae: cyanobacteria (blue-green algae) → 0
Candidate hypernym: blood flower: tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics → 0