Adjectives that start with R

Rapid describes very fast movement. The water in a river often moves at a rapid pace.

Something is rare if you don't see it very often. It is rare to see an eclipse.

Another word for rare is uncommon. The opposite of rare is common.

Retro is a style where things that were fashionable many years ago are back in fashion again. A retro style can be achieved by using actual old items, or by making new things that have an old look.

A fruit or vegetable is ripe if it is fully grown, and is sweet or otherwise ready to eat.
The red tomato on the left of the picture is ripe, the other two are still ripening. They are under ripe.

lan Risky means that something has a chance of going wrong or causing harm.

You might call driving very fast or trying a difficult trick risky. The word is often used for choices in sports, games, and everyday life, such as crossing a busy road.

Something is rough if you touch it and you can easily feel all the little bits that make it up, and those little bits are hard and sharp. If you fall over on a rough surface you are likely to skin your knees. Some things, like sandpaper, are rough so they can be used to scrape the surface off something else. The opposite of rough is smooth.

Something is rural if it relates to life outside the city, out in the countryside or on a farm.
The opposite of rural is urban.

Something is rustic if it seems rough, simple and hand-made. Rustic is a term often associated with country or rural living. The house in the picture is rustic.
A similar word to rustic is quaint. The opposite of rustic might be sophisticated.