Here is another entry which I regard as rather strange.
The problem with this is that, in English, pretty as an adverb premodifying an adjective ('pretty good', 'pretty strange, 'pretty sure', ...) only occurs in informal usage, and the dictionary fails to mention this. Furthermore, this is not the basic meaning of pretty.I feel it would have been better to offer 'quite' or 'very' as the English equivalent of agak.