Adjective sideways has 1 sense
- crabwise, sideways - (of movement) at an angle
Antonym: parallel (indirect, via perpendicular, oblique)
Antonym: perpendicular (indirect, via oblique, parallel)
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Adverbial sideways has 4 senses
- sideways, sideway, sidewise - with one side forward or to the front; "turned sideways to show the profile"; "crabs seeming to walk sidewise"
- sideway, sideways, sidewise - from the side; obliquely; "a picture lit sideways"; "scenes viewed sidewise"
- sideways, sideway, sidewise - toward one side; "the car slipped sideways into the ditch"; "leaning sideways"; "a figure moving sidewise in the shadows"
- sidelong, sideways, obliquely - to, toward or at one side; "darting eyes looking sidelong out of a wizened face"
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