off book
/ˈɒf bʊk/adverb
Without reference to a book or script; from memory; (in early use) by improvisation, extempore.
- In later use especially with reference to acting..
adjective
1 Finance. Not properly declared for tax or accounting purposes.
2 Theatre and Film. In predicative use: (of an actor) performing without a script, having memorized his or her lines.
Origin
Early 18th century. From off + book.
- smoothie
- smoothing iron
- smoothing plane
- smoothish
- smoothly
- smooth muscle
- smoothness
- smooth newt
- smooth-running
- smooth-shaven
- smooth snake
- smooth someone's ruffled feathers
- smooth talk
- smooth-talker
- smooth-talking
- smooth tongue
- smooth-tongued
- s'more
- smore
- smorgasbord
- smorzando
- smote
- smother
- smothered mate
- smoulder