plural of best girl

(dated) One's girlfriend. / (film production) A woman who performs the duties of a best boy. / (fandom slang) A reader or viewer's preferred female character.

most of, majority of

superlative form of well-behaved: most well-behaved

(optics) A lens that is designed to minimize spherical aberration.

plural of line of best fit

plural of best form lens

plural of best case scenario

plural of best bet

plural of best-before date