sidelong

adjectives

(used especially of glances) directed to one side with or as if with doubt or suspicion or envy
"her eyes with their misted askance look"- Elizabeth Bowen; "sidelong glances"
askance, askant, asquint, sidelong, squint, squint-eyed, squinty
situated at or extending to the side
"the lateral branches of a tree"; "shot out sidelong boughs"- Tennyson
lateral, sidelong
inclining or directed to one side
"moved downward in a sidelong way" - Bram Stoker
sidelong
is similar to
at an angle to the horizontal or vertical position
"an inclined plane"
inclined

adverbs

on the side
"the plow lay sidelong on the ground"
sidelong
with the side toward someone or something
"seated sidelong to the window"- Nathaniel Hawthorne
sidelong
to, toward or at one side
"darting eyes looking sidelong out of a wizened face"
obliquely, sidelong, sideways