from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To return like for like, especially evil for evil.
- transitive v. To pay back (an injury) in kind.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To do something harmful or negative to get revenge for some harm; to fight back or respond in kind to an injury or affront.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To return the like for; to repay or requite by an act of the same kind; to return evil for (evil). [Now seldom used except in a bad sense.]
- intransitive v. To return like for like; specifically, to return evil for evil.
from The Century Dictionary and Cyclopedia
- To return in kind; repay or requite by an act of the same kind: now seldom or never used except in the sense of returning evil for evil: as, to retaliate injuries.
- To return like for like; especially (now usually), to return evil for evil.
- Synonyms See revenge, n.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. take revenge for a perceived wrong
- v. make a counterattack and return like for like, especially evil for evil
Late Latin retāliāre, retāliāt- : Latin re-, re- + Latin tāliō, punishment in kind; see telə- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin retaliatus, past participle of retaliare ("to requite, retaliate"), from re ("back, again") + talis ("such"). (Wiktionary)