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| extemporaneity; extempore; extemporization; impromptu; voluntary; an extemporaneous speech (промова); improvisation; ad lib (speak or perform in public without previously preparing one's words • The actor ad-libbed the line "Ah... Houston, we have a problem" when he discovered that the gun was gone. bojana) | |||
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| off-hand | |||
| off hand | |||
