1. With little or no preparation or forethought
   "a few unrehearsed comments"
   - ad-lib, extemporaneous, extemporary, extempore, impromptu, offhand, offhanded, off-the-cuff

See also: unprepared

• surprised
• surprisedly
• surpriser
• surprising
• surprisingly
• surprisingness
• surreal
• surrealism
• surrealist
• surrealistic
• surrebuttal
• surrebutter
• surrejoinder
• surrender
• surrenderer
• surreptitious
• surreptitiously
• surreptitiousness
• surrey
• surrogacy
• surrogate
• surrogate mother
• surround
• surrounded
• surrounding