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back-word
back-word n.
Brit. 
/ˈbakwəːd/
, /ˈbakwəːd/U.S. /ˈbækˌwərd/
in Lancashire withdrawal from a promise or from an accepted invitation, also dialect a contradiction, rude answer./ˈbækˌwərd/ΚΠ
1841 R. W. Hamilton Nugæ Lit. 357 ‘In consequence of her death, I was obliged to give a party who were to have dined with me backword;’ that is, put them off.
1937 J. B. Priestley I have been here Before i. 6 We ought to..charge 'em a deposit when they book rooms in advance, and then if they do give backword we're not clean out o' pocket.
back-word
(iii) expressing reciprocation or reply, as back-answer (also as v. transitive), back-echo, back-word (see back-word n. at sense 2).
ΘΚΠ
the mind > attention and judgement > answer > [noun] > regarded as impertinent
back-answer1626
back-talk1858
back-chat1901
the mind > attention and judgement > answer > answer [verb (transitive)] > sharply > impertinently
back-answer1626
to sass back1862
the world > physical sensation > hearing and noise > degree, kind, or quality of sound > resonance or sonority > [noun] > reverberation or echo
echo1340
repercussion1554
rebound1567
reverberation1569
reverberating1576
answer1609
re-echoing1611
re-echo1613
replicationa1616
back-echo1626
echoinga1649
reboation1648
redounda1665
aftersound1807
verberation1825
reverb1875
anacampsis1879
liveness1931
post-echo1956
1626 F. Bacon Sylua Syluarum §247 You have many Back-Eccho's to the Place where you stand.
1884 Hull & E.C. Herald 28 Feb. 6/6 The boy was a civil boy, and never gave a back answer.
1915 A. Conan Doyle Valley of Fear ii. ii. 187 ‘You have your back answer quick enough.’ ‘Yes, I was always quick of speech.’
1921 H. Williamson Beautiful Years 221 No one has ever back-answered Sol Isaacs and not paid for it.
1939 G. Greene Confidential Agent ii. i. 184 ‘No more back answers,’ the policeman said.
1959 P. McCutchan Storm South iv. 57 I didn't want to be hauled over the coals for back-answering a passenger.
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