Adjective rearward has 2 senses
- rearward, reverse - directed or moving toward the rear; "a rearward glance"; "a rearward movement"
Antonym: forward (indirect, via backward)
- rear, rearward - located in or toward the back or rear; "the chair's rear legs"; "the rear door of the plane"; "on the rearward side"
Antonym: front (indirect, via back)
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Adverbial rearward has 1 sense
- back, backward, backwards, rearward, rearwards - at or to or toward the back or rear; "he moved back"; "tripped when he stepped backward"; "she looked rearward out the window of the car"
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Noun rearward has 1 sense
- rearward - direction toward the rear; "his outfit marched to the rearward of the tank divisions"
--1 is a kind of rear, backside, back end
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