Key learning points

1. 'Impenetrable' is an adjective which means dense or inaccessible.
2. 'Barren' is an adjective which means empty or bare.
3. 'Teeming' is an adjective which means full or crowded.
4. 'Overgrown', 'withered' and 'tangled' are other rich vocabulary associated with the outdoors.

Keywords

• Noun - a naming word for people, places or things

• Adjective - a word that describes a noun

• Synonym - a word that has the same or similar meaning to another word

• Word pair - words that often appear together

Common misconception