Challenge and Steam up

Challenge verb - To demand proof of the truth or rightness of.

Steam up and challenge are semantically related In some cases you can use "Steam up" instead a verb "Challenge".

Nearby Words: challenged, challenging, challenger

Steam up verb - To make angry.

Challenge and steam up are semantically related in excite topic. Sometimes you can use "Challenge" instead a verb "Steam up", if it concerns topics such as stimulate.