[Variable] – Examples

Examples:
Gender Agreement:
    “un grand livre” (a big book) [masculine singular]
    “une grande maison” (a big house) [feminine singular]
Number Agreement:
    “des grands livres” (some big books) [masculine plural]
    “des grandes maisons” (some big houses) [feminine plural]

Here are a few invariable words in French:

chic (cool) –> Elle est chic [she is cool]

orange (orange) –> des chemises orange [orange shirts]

vite (fast) –> ils courent vite [they run fast]