Theatre. Of an actor: effective or competent; spec. capable of acting in a range of minor roles or bit parts.

Not previously practised.

With modifying word. That has been worked on in rehearsal in a specified manner; (of a performer) that has practised in a specified manner. Cf. under…

Suggestive of a marionette in appearance or movement.

Of a variety show, etc.: having no interval between the various acts.

Of a performance, event, etc.: heard or watched at the time of its occurrence; esp. (of a radio, television, online broadcast, etc.) not pre-recorded.

That may be watched; spec., that may be watched with pleasure or profit at the theatre or cinema, or on television.

Improvisation, esp. as a theatrical technique. Also (as a count noun): a piece of improvisation; a performance, exercise, etc., making use of this…

= improv, n.