Synonyms for

Sure

Verb / ʃʊr / Another word for sure — explore alternatives below. For syllable breakdowns and pronunciation, see this word on Syllablesworld.

Definition

confident in something; certain

Synonyms & similar words

trusted sureenough uncertain certain certainly forcertain forsure surely sureasshooting indisputable unsure certain confident positive assured secure guaranteed definite reliable unfailing unwavering steady stable solid firm undoubted unquestionable indubitable undeniable absolute clear

Synonyms by register

Formal

certain assured confident convinced

Informal

definitely for sure no doubt you bet

Literary

unfailing steadfast unwavering

Antonyms

uncertain doubtful unsure hesitant ambivalent irresolute

Common collocations

  • sure thing
  • sure enough
  • make sure
  • be sure
  • sure of
  • sure to
  • sure of yourself
  • sure of that

Word family

noun surety
adverb surely

Usage note

As an adjective, 'sure' means confident or certain. As an adverb, it's often used informally to mean 'certainly' or 'definitely'.

Example sentences

  1. I am sure my mom will pick me up after school.
  2. I am sure I brushed my teeth this morning.
  3. I am sure it will rain today.
  4. I am sure I can ride my bike without training wheels.
  5. I am sure I will have fun at the park.

Quotes

  • If you want to be sure of hitting the target, shoot first, and call whatever you hit the target.
  • The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle. As with all matters of the heart, you'll know when you find it.
  • To be yourself in a world that is constantly trying to make you something else is the greatest accomplishment.

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