The noun timid has 1 sense (no senses from tagged texts)
1. timid, cautious -- (people who are fearful and cautious; "whitewater rafting is not for the timid")
Overview of adj timid
The adj timid has 3 senses (first 1 from tagged texts)
1. (3) timid -- (showing fear and lack of confidence)
2. diffident, shy, timid, unsure -- (lacking self-confidence; "stood in the doorway diffident and abashed"; "problems that call for bold not timid responses"; "a very unsure young man")
3. faint, fainthearted, timid, faint-hearted -- (lacking conviction or boldness or courage; "faint heart ne'er won fair lady")