(figuratively) to act like a child, to be childish, to lack maturity

to look stylish

(figuratively) to grant, concede

(childish, colloquial) to poop

to take a vow

(intransitive) to be one, to be as one, to be at one / (intransitive) to be one, to be as one, to be at one; (transitive with avec) to adhere strongly to, to hold together with, so much so that one ends up forming one (single) body with, becomes one with, fuses with

(transitive with à) to embarrass someone, to disgrace someone, to make someone feel ashamed, to bring shame upon someone

(transitive with à) (literary) to thwart, to stymie, to foil

to campaign

to be the/an exception, to be the odd one out