out of principle, on principle, as a matter of principle, pro forma; perfunctorily

(historical) A type of urban bus with a small platform at the back, once prevalent in Paris.

drilling rig, drilling platform (for oil)

(literary) without further ceremony, without further ado, without so much as a by your leave; just like that

in due form, in form, by the book, according to Hoyle

feminine plural of formel

formal; official / adamant, positive, certain

feminine singular of formel

formally