GRE taper Definition To gradually narrow or reduce in thickness or extent. Example "The candle tapers toward the top." Sign in to save GRE PDF — $25 ← tape tapering → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant