broken, broken-down, out of order

in gear (vehicle) / in touch with

pointed, sharp / state-of-the-art, leading-edge, cutting-edge

in bulk / in a nutshell, in summary, in short

(transitive with de) opposite, in front of

in fashion, fashionable

(relational) of a ready defensive position / (relational) of a state of heightened attention

on guard

(fencing) Ellipsis of position en garde.; the ready position, ready to attack or defend, in a face-off

(fencing) Part of the sequence En garde! Prêts? Allez!