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1. A bad-tempered person
   - grouch, grump, churl, crosspatch
    
2. A whimsically eccentric person
   - crackpot [informal], nut [informal], nutcase [informal], fruitcake [informal], screwball [informal]
    
3. [informal] An amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
   - methamphetamine, methamphetamine hydrochloride, Methedrine, meth [informal], deoxyephedrine, chalk [informal], glass [informal], ice [informal], shabu [Asia, informal], trash [informal], gak [informal], crystal meth
    
4. A hand tool consisting of a rotating shaft with parallel handle
   - starter

1. (used of boats) inclined to heel over easily under sail
   - cranky [informal], tender, tippy

1. Travel along a zigzag path
   "The river cranks through the countryside";
   - zigzag
    
2. Start by cranking
   "crank up the engine";
   - crank up
    
3. Rotate with a crank
   - crank up
    
4. Fasten with a crank
    
5. Bend into the shape of a crank

Derived forms: cranks, cranking, cranked

See also: unstable

Type of: amphetamine, bend, circumvolve, controlled substance, dag [Austral, NZ, informal], deform, disagreeable person, eccentric, eccentric person, fasten, fix, flake [N. Amer, informal], flex, geek [informal], go, hand tool, locomote, move, oddball [informal], pep pill [informal], rotate, secure, speed [informal], start, start up, travel, turn, twist, unpleasant person, upper [informal]

Encyclopedia: Crank, Merseyside