Adjectives ending with the letter F are listed in this post.
ballproof, bombproof, brief, buff, bulletproof, bullet-proof
caitiff, cast-off, chief, chuff, co-chief, cooling-off
deaf, derf, do-it-yourself
far-off, fireproof, first-half
giltif, gold-leaf, gruff
half, half-staff, hands-off, hastif, high-proof
laid-off, leef, left-off, lief, loose-leaf
off, on-and-off, one-half, overproof
plaintiff, plot-proof, proof, proof-proof, puff
sauf, second-half, self, semivif, shellproof, shot-proof, sightproof, stand-off, starproof, stiff, stone-deaf, sunproof
tentif, testif, therf, three-and-a-half, thunderproof, tref, two-and-a-half
wash-off, waterproof, weatherproof, well-off, wowf
Hope this word list had the adjective that ends in F you were looking for. Additional descriptive words can be found in the other pages on this site.