1. harbor, harbour, haven, seaport

a sheltered port where ships can take on or discharge cargo

• harbor
• haven
• seaport

2. harbor, harbour

a place of refuge and comfort and security

• harbor

3. harbor, harbour

secretly shelter (as of fugitives or criminals)

• harbor

4. harbor, harbour

keep in one's possession; of animals

• harbor

5. harbor, harbour, shield

hold back a thought or feeling about

Example Sentences:
'She is harboring a grudge against him'

• harbor
• shield

6. entertain, harbor, harbour, hold, nurse

maintain (a theory, thoughts, or feelings)

Example Sentences:
'bear a grudge'
'entertain interesting notions'
'harbor a resentment'

• entertain
• harbor
• hold
• nurse