Synonyms for back

modified

noun

1. The rear part or side

   rear, hinder part, posterior, stern, poop, aft, tailpiece, tail, back end, end, reverse, flip side.

   Antonyms front*, fore part, fore.

2. The rear of the torso

   posterior, dorsal aspect, tergum, dorsum, tergal portion, spinal portion, hindquarters, rump, backbone, spine; see also rump.

   Antonyms chest*, stomach, ventral aspect.

3. One who plays behind the line, especially in football

   linebacker, fullback, halfback, quarterback, tailback, flanker back, wingback, running back, slot back, blocking back, cornerback, safety man, free safety, ball carrier, kicker, passer, pass receiver.

behind one's back

(flat) on one's back

get off one's back*<strong>

get one's back up*

in back of

turn one's back on

with one's back to the wall

verb

1. To move or cause to move backward

   back up, reverse, withdraw, drive backward; see retreat 1.

2. To further

   support, uphold, stand behind, finance; see support 2, 5.

3. To equip with a back

   stiffen, cane, line; see strengthen. See syn. study at support.