tad

Short definition from Wiktionary

Noun

1. 1
   A small amount; a little bit.
2. 2
   A street boy; an urchin.
3. 3
   Initialism of tobacco, alcohol and drugs.
4. 4
   Initialism of transboundary animal disease.

Proper noun

1. 1
   A diminutive of the male given name Thaddeus or Thaddaeus.
2. 2
   Tadcaster.

Verb

1. 1
   simple past and past participle of TA