Class A
Highest official ranking
Class A designates the highest tier in various classification systems.
In driver's licenses, Class A permits operation of the largest commercial vehicles.
In electrical wiring, Class A fire alarms require continuous monitoring.
In drug scheduling, Class A substances are considered most dangerous.
In stock, Class A shares typically carry more voting rights: Class A shareholders control the board.
The designation implies premium status or maximum restriction, depending on context.
- premiumAdded cost for better
- eliteSuperior select group
- top-tierOf highest quality
- top notchOf the highest caliber
- first-rateOf superior quality
superior · high end · luxury · CDL · big rig · trucker · driver's license · license · amplifier · tube · shares · common stock · stock · felony · misdemeanor · narcotics · controlled · controlled drug
- RVingmotorhomes, campgrounds, RV parks, campsites, boondocking
- Library ClassificationDewey Decimal, call number, call numbers, decimal system, subclass
Class Abottom-tier
Worst category or ranking
second-rate · failing grade · substandard · inferior · third-rate
- first classHighest quality or rank
- gym classSchool physical education period
- middle classIntermediate socioeconomic group
- class clownStudent who disrupts with humor
- math classAcademic period for calculations
- classical musicWestern orchestral tradition
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