Kept close is an idiomatic phrase that orients around ideas of secrecy, discretion, or privacy. When we think about antonyms for 'kept close,' we may envision open, transparent, extroverted, or communal. The opposite of kept close could be something that is disclosed, revealed, or public. Kept close can also be seen as isolated or detached, so antonyms for this might consist of integrated, connected, or allied. However, it's essential to consider context when attempting to come up with antonyms. Not all situations where the term 'kept close' is used imply secrecy or privacy, and not all antonyms will be a complete reversal of its original meaning.