Scrabble?! RUB

Definitions of RUB in various dictionaries:

noun - an unforeseen obstacle

noun - the act of rubbing or wiping

verb - move over something with pressure

verb - cause friction

verb - scrape or rub as if to relieve itching

To subject to the action of something that moves back and forth with friction and pressure.

To cause to move along a surface with friction and pressure.

To irritate; annoy: His laziness was beginning to rub me.

To move along a surface with friction and pressure.

To chafe with friction.

To cause irritation or annoyance.

To continue in a given situation, usually with some difficulty: Despite all our problems, we continue to rub along.

To admit rubbing: a blackboard that rubs clean easily.

To be transferred by contact or proximity: wished some of her luck would rub off on me.

The act of rubbing.

The application of friction and pressure: a back rub.

An unevenness on a surface.

An act or a remark that annoys or hurts another.

Difficulty: “Ay, there’s the rub” (Shakespeare).

To obliterate by or as if by rubbing.

To kill; murder.

verb - to move along the surface of a body with pressure