- a person who practices deception under an assumed character, identity, or name.
- a tax; tribute; duty.
- a customs duty.
- Horse Racing. the weight assigned to a horse in a race.
verb (used with object)
- to determine customs duties on, according to the kind of imports.
- a tax, esp a customs duty
- horse racing the specific weight that a particular horse must carry in a handicap race
- (tr) US to classify (imported goods) according to the duty payable on them
- architect a member at the top of a wall, pier, or column that supports an arch, esp one that has a projecting moulding
- a person who deceives others, esp by assuming a false identity; charlatan
1580s, from Middle French imposteur (16c.), from Late Latin impostor, agent noun from impostus, collateral form of impositus, past participle of imponere “place upon, impose upon, deceive,” from assimilated form of in- “into, in, on, upon” (see in- (2)) + ponere “to put place” (see position).
“tax, duty,” 1560s, from Middle French impost, from Medieval Latin impostum, from neuter of Latin impostus, contracted from impositus, past participle of imponere (see impostor).