calamus (noun) feather: tuft of bird; plumage
Sinonime: annul, buck,
cancel, cancel out,
check, contravene,
correct, counterbalance, countercheck, countervail, counterwork, cross,
defeat,
fix, foil, frustrate, go against,
halt, hinder,
invalidate,
negate,
negative, neutralize, offset, oppose,
prevent,
rectify,
redress, resist,
right,
thwartAntonime: aid,
approve,
assist,
help,
support