ad libitum /ad libˈi-təm or -tŭm/

1. At will, at pleasure
2. Extempore, impromptu (abbrev ad lib.)

ad-lib /ad-libˈ/ adverb

Spontaneously or freely

Impromptu, extemporized

To extemporize or speak without preparation, esp to fill up time

1. An improvised speech
2. A spontaneous (often humorous) remark

• overflights
• overflourish
• overflourished
• overflourishes
• overflourishing
• overflow
• overflowed
• overflowing
• overflowingly
• overflow meeting
• overflown
• overflows
• overflush
• overflushes
• overfly
• overflying
• overfold
• overfolded
• overfolding
• overfolds
• overfond
• overfondly
• overfondness
• overfondnesses
• overforward