big
The word 'grand' in French is used similarly to 'big' in English. It can describe the size of physical objects, buildings or animals, as well as abstract concepts like ambition or ideas. It's also part of many common phrases, such as 'Le Grand Paris' (Greater Paris) or 'les grands projets' (large-scale projects).
My grandfather is very wise.
In this sentence, 'grand' is used as a prefix in 'grand-père', which translates to 'grandfather'. The entire phrase suggests respect and affection towards an elder family member, acknowledging their wisdom.
He has a great love for music.
In this instance, 'grand' is used as an adjective to indicate the intensity of a person's love or passion. It's equivalent to saying 'great' or 'deep' in English.