The most common and most likely answer to this crossword clue is the 5 letter word DRIER
I've seen this crossword clue in The Guardian
D
R
I
E
R
More clues leading to the result DRIER
- Motorist drops velocity with less rain?
- More formal club, very isolated
- Airdrie resident’s more in need of liquid refreshment
- It’s odd dormice are getting less water!
- Less affected by what was in cloud, trapped characters are out of danger? That’s right
- Like a stronger martini in club? Not very
- More thirsty wino’s not known to quit
- Drought results in English river primarily being this?
- River south of airless Scottish town getting less rainfall
- Dormice are oddly more dehydrated
Buddy explains!

The straight part
We know that "more in need of liquid refreshment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case more in need of liquid refreshment = drier.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DRIER mean?
DRIER noun- One who, or that which, dries; a desiccative.
- A household appliance that removes the water from clothing by accelerating evaporation, usually though heat and a tumbling motion.
- An electric hair dryer.
- Any other device or substance, household or industrial, designed to remove water or humidity.
- A catalyst used to promote the drying of paints and varnishes by oxidative crosslinking.
- Free from or lacking moisture.
- Unable to produce a liquid, as water, oil, or (farming) milk.
- Built without or lacking mortar.
- Anhydrous: free from or lacking water in any state, regardless of the presence of other liquids.
- Athirst, eager.
- Free from or lacking alcohol or alcoholic beverages.
- Describing an area where sales of alcoholic or strong alcoholic beverages are banned.
- Free from or lacking embellishment or sweetness, particularly:
- (somewhat derogatory) Involving computations rather than work with biological or chemical matter.
- (of a sound recording) Free from applied audio effects.
- Without a usual complement or consummation; impotent.
- Of a mass, service, or rite: involving neither consecration nor communion.