Someone with an untidy appearance. / Stubble, facial hair (on males). / (obsolete) Crust. / (obsolete) Scurf.

The loose skin at the back of the neck of some animals. / (rare) The back of the neck, nape; also scruff of the neck.

To lift or carry by the scruff.

plural of scruff

Untidy in appearance. / Scurfy.

(informal) An artificial intelligence researcher who believes that intelligence is too complicated (or computationally intractable) to be solved with the sorts of homogeneous system favoured by the "neats".

Having the characteristics of style and lovable scruffiness combined. / Stylish rather than fashionable. / Classy without appearing to make an effort.

comparative form of scruffy: more scruffy

superlative form of scruffy: most scruffy

(informal, sometimes endearing) A scruffy or ill-kempt person; a ragamuffin.