1. Definitely or positively ('sure' is sometimes used informally for 'surely')
   "she certainly is a hard worker"
   - surely, sure, for sure, for certain, sure enough, sure as shooting

See also: certain

• Mobula hypostoma
• Mobulidae
• Mobuto Lake
• Mocambique
• mocassin
• moccasin
• moccasin flower
• mocha
• mocha coffee
• mock
• mock azalia
• mock moon
• mock orange
• mock privet
• mock sun
• mock turtle soup
• mock-heroic
• mock-up
• mocker
• mockernut
• mockernut hickory
• mockery
• mocking
• mocking thrush
• mockingbird