1. Showing fear and lack of confidence 
2. Lacking self-confidence
   "problems that call for bold not timid responses"
   - diffident, shy, unsure 
3. Lacking conviction or boldness or courage
   - faint, fainthearted, faint-hearted

1. People who are fearful and cautious
   "whitewater rafting is not for the timid"
   - cautious

Derived forms: timider, timidest

See also: afraid, backward, bashful, confidence, cowardly, coy, fearful, 'fraid [non-standard], intimidated, mousey, mousy, timidity, timidly, timidness, timorous, timorousness, trepid, unadventurous, unassertive

Type of: people

Antonym: bold, brave

• untoward
• untraceable
• untracked
• untraditional
• untrained
• untrammeled
• untrammelled
• untransferable
• untranslatable
• untransmutable
• untraveled
• untravelled
• untraversable
• untraversed
• untreated
• untried
• untrimmed
• untrod
• untrodden
• untroubled
• untrue
• untruly
• untrustiness
• untrusting
• untrustworthiness