lots of rooms in this lexicon ( 8 )

[anta]

plants that climb and twist ( 8 )
For your favourite family eating sensation (6)
anything very big of its kind ( 5 )

[gen2]

Is there a theme?

2. CREEPERS?

[gen2]

4. Jumbo?

[mike11111]

Last one sounds like Jumbo

[gen2]

1. Chambers

[anta]

theme is brands and tradmarks for lexicon question

[gen2]

so CHAMBERS (dictionary) fits with that.

What about the theme for the other three?

[kendra20]

could be FYFFES as in bananas take first letter from each clue word.

[gen2]

So are these other questions brands as well then?

Odd that anta only said the first one was.

[NanaP]

plants that twist and climb - Ramblers