effusive (adj.)
- abundant
- accessible
- approachable
- candid
- chatty
- cloying
- communicative
- conversational
- copious
- demonstrative
- diffuse
- diffusive
- ebullient
- effluent
- emotional
- expansive
- extravagant
- extroverted
- exuberant
- fecund
- flip
- fluent
- formless
- frank
- free
- free-spoken
- fulsome
- gabby
- garrulous
- gassy
- glib
- gossipy
- gregarious
- gushing
- gushy
- lavish
- long-winded
- loquacious
- newsy
- open
- outbound
- outflowing
- outgoing
- outspoken
- outward-bound
- overenthusiastic
- overflowing
- pleonastic
- prodigal
- productive
- profuse
- prolific
- prolix
- redundant
- reiterative
- repetitive
- rhapsodic
- sloppy
- slushy
- smarmy
- smooth
- sociable
- superabundant
- talkative
- talky
- teeming
- unchecked
- unconstrained
- unhampered
- unrepressed
- unreserved
- unrestrained
- unrestricted
- unshrinking
- unsuppressed
- verbose
- voluble
- windy