Gulp (7)
'gulp' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for swig that I've seen before include "Gulp of drink" , "Large gulp from the bottle" , "Glug" , "Slug" , "(Take) quick drink from bottle" .)
'gulp' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for swallow that I've seen before include "Take in - migratory bird" , "Believe gullibly - bird" , "Long-winged, fork-trailed bird" , "Songbird" , "Accept" .)