一些由外来语转变而成的法语形容词不用作性数配合，列表如下:

In French, adjectives normally have to agree with the nouns they modify in gender and number. However, there are numerous adjectives which don’t agree - they have a single form that does not change to reflect the gender or number of the noun. These are called invariable adjectives.

French adjectives borrowed from other languages are usually invariable: ad hoc ad hoc

a priori a priori

antitrust anti-trust

baby baby

beat beatnik

cantilever cantilever

charter charter

cheap cheap (poor quality)

clean clean

cool cool

curriculum vitae curriculum vitae, résumé

dance related to dance music

design designer

destroy destroyed, trashed, wild

express related to espresso

fahrenheit Fahrenheit

free-lance freelance

fun fun

funky funk

furax furious

glamour glamorous

gold gold(en)

gore gory

gratis free

groggy groggy

halal halal (in accordance with shari’a principles)

hi-fi hi-fi

high-tech high-tech

hot hot (jazz)

kascher kosher (in accordance with Judaic principles)

kitsch kitsch

indoor indoor

inuit Inuit

jazzy jazz, related to jazz

kif-kif same, identical

kitsch kitsch

lambda averge, typical

light light, low in calories

marengo Marengo

offset offset

offshore offshore

out out of touch, (tennis) out

people celebrity

pop pop (music, art)

pro forma pro forma

punk punk

record record

relax relaxed, informal, laid back

revolving revolving

select select, high-class, posh

sexy sexy

snob snobby, snobbish

solo solo

soul soul (music)

sport casual, athletic (clothes, shoes)

spot (economics) spot

standard standard

stand-by stand-by

sterling (pound) sterling

tango bright orange

top great, best

trash trashy, base, tasteless

vaudou voodoo

vidéo video

waterproof waterproof

zen Zen