1. not parted by conflict of opinion

- presented an undivided front

Similar word(s): united

2. not shared by or among others

- undivided responsibility

Similar word(s): unshared

3. not divided among or brought to bear on more than one object or objective

- undivided affection

Similar word(s): concentrated, exclusive, single

4. not separated into parts or shares; constituting an undivided unit

- an undivided interest in the property

Similar word(s): whole

Sentences with undivided as an adjective:

- Long division can be hard to understand, so I want your undivided attention.