Is this your crossword clue?
"liquid" is also used as a crossword clue. If that's what you saw, the answer is often fluid (5 letters).
Definitions
Substance that flows and keeps volume but not fixed shape; not solid or gas.
Word origin
From Middle English liquide, from Old French liquide, from Latin liquidus (“fluid, liquid, moist”), from liqueō (“to be liquid, be fluid”). Doublet of liquidus. As a term for a consonant, it comes from Latin liquida (cōnsōnāns), a calque of Ancient Greek ὑγρὸν (σύμφωνον) (hugròn (súmphōnon), “liquid consonant”).
Used in a sentence
“A liquid can freeze to become a solid or evaporate into a gas.”
“[…]-able does not attach to verbs ending in a postconsonantal liquid […]”
“liquid nitrogen”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Flowing substance”6 letters
02“Not solid or gas”6 letters
Not quite right?
"Search similar patterns."
L_____