A problem that is challenging to solve.
Used other than figuratively or idiomatically: see hard, nut, crack.
A situation, person, group, etc. which is difficult to overcome or deal with.
A place, opportunity, etc. to which it is difficult to gain entry.
An amount that is difficult to finance.
A problem, delay or source of difficulty.
A fastener or connection point, as for a trailer.
A large Californian minnow, Lavinia exilicauda.
A sudden pull.
A period of time spent in the military.
Any of various knots used to attach a rope to an object other than another rope.
A hidden or unfavorable condition or element.
To strike the legs together in going, as horses; to interfere.
To attach, tie or fasten.
To pull with a jerk.
To marry oneself to; especially to get hitched.
To become entangled or caught; to be linked or yoked; to unite; to cling.
To move interruptedly or with halts, jerks, or steps; said of something obstructed or impeded.