thick, viscous
thin
clear
colourless/colorless
cloudy
flammable
volatile

drop, pool, puddle
bottle, cup, glass

empty, pour
Empty the liquid into a large bowl.

spill
drain, drain off (esp. BrE), strain, strain off (esp. BrE)
Drain (off) the liquid from the meat into a cup.

discard
Strain the fruit through a sieve, discarding the liquid.

reserve
Drain the octopus and reserve the cooking liquid.

bring to the boil
reduce
Reduce the liquid by boiling for two minutes.

absorb, soak up
drink, sip, swallow

drip, flow, ooze, pour, seep, trickle
The cold liquid trickled down her face.

Liquid is used with these nouns:
asset, explosive, eye, fertilizer, form, fuel, lunch, manure, metal, oxygen, refreshment, rock, soap, waste