(transitive) to cost / (intransitive, figuratively) to be difficult / (intransitive) to be tiresome, exhausting

at all costs; whatever it takes

(idiomatic, intransitive, of a product) to cost very much, to be highly expensive

(idiomatic) to cost an arm and a leg (to be very expensive)

inflection of custar:
/ inflection of custar:

second-person singular future indicative of custar

first-person singular future indicative of custar

inflection of custar:
/ inflection of custar:

first-person plural future indicative of custar

first/third-person singular pluperfect indicative of custar