This means that if the noun an adjective describes is feminine the adjective must be feminine and if that same noun is also plural the adjective will be feminine AND plural as well. It smells very bad Huele de pena. Adjetivos In Spanish The Rules To Use Spanish Adjectives We Use Adjectives In Spanish All The Time To Describe People Spanish Adjectives Adjectives Spanish Once you begin using these Spanish adjectives to describe people you will find that your speech is full of colour excitement and variety and that you can also understand others better. . Updated ABR 27 2010. For many beginners it might be quite complicated to understand. Esta este this esa ese that aquella aquel that Plural Demonstrative Adjectives. These adjectives will help you when you want to express yourself explain a thought or opinion about someone. There are 12 demonstrative adjectives in Spanish. The words to describe someone or something in Spanish...