Elevated or raised in a contrived or unnatural way; stiff and artificially formal or pompous; also, depending on redundant, unnecessary elements.
Making use of or possessing a stilt or stilts, or things resembling stilts; raised on stilts.
Of a building or architectural feature such as an arch or vault: supported by stilts (“supporting pillars or posts”); also (generally) having the main part raised above the usual level by some structure.
Not scripted; without a script.
Unplanned, unexpected, spontaneous.