In terms of personality:
* Timid: This is a common opposite, referring to someone who is shy, fearful, and lacking confidence.
* Cautious: Describes someone who is careful and hesitant, the opposite of someone who is bold and daring.
* Submissive: Refers to someone who is easily influenced and lacks assertiveness, the opposite of a bold and independent person.
* Shy: Another common opposite, describing someone who is uncomfortable in social situations and avoids attention.
In terms of appearance:
* Plain: This refers to something that lacks boldness and is unassuming.
* Subdued: Describes something that is not striking or noticeable, the opposite of something bold and eye-catching.
* Conservative: Refers to something that is traditional and avoids being flamboyant.
In terms of writing or speech:
* Bland: This describes something that lacks impact and is uninteresting, the opposite of something bold and impactful.
* Vague: Refers to something that is unclear and lacks specificity, the opposite of something bold and assertive.
* Tentative: Describes something that is hesitant and uncertain, the opposite of something bold and confident.
To choose the best opposite for "bold," you need to consider the specific context in which it is used.