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"sideways" is also used as a crossword clue. If that's what you saw, the answer is often lateral (7 letters).
Definitions
to, toward or at one side
Word origin
From side + -ways.
Used in a sentence
“Giving Mary a sideways glance, he said,[…].”
“He gave the ball a sideways kick.”
“There was a stack of papers in front of each seat at the table, but each stack was sideways.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Laterally”8 letters
02“Crabwise”8 letters
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