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Antonyms for surefire
| Grammar : Adj, noun |
| Spell : shoo r-fahyuh r, shur- |
| Phonetic Transcription : ˈʃʊərˌfaɪər, ˈʃɜr- |
- ambiguity
- changeable
- changing
- concept
- confused
- controvertible
- disapproved
- disbelief
- dismayed
- distrust
- distrustful
- doubt
- doubted
- doubtful
- doubting
- dubious
- erring
- failing
- fallible
- faulty
- feared
- fearful
- hesitant
- hesitation
- humbled
- idea
- imperfect
- impermanent
- improbable
- indefinite
- insecure
- limited
- nervous
- questionable
- questionableness
- swerving
- theory
- uncertain
- uncertainty
- unconfident
- undecided
- unexpected
- unfixed
- unforeseen
- unpredictable
- unself-confident
- unsteady
- unsure
- vague
- variable
- wavering
- wobbly
Definition of surefire
Origin :- also sure-fire, by 1864, American English, from sure + fire (v.). Originally of rifles.
- As in incontrovertible : adj beyond dispute
- As in infallible : adj unerring, dependable
- As in assured : adj absolutely certain
- As in predictable : adj easy to foretell
- As in sure : adj inevitable
- As in unfailing : adj certain, unchanging
- As in sure-fire : adj dependable
- As in foolproof : adj infallible
- As in guaranteed : adj made certain
- As in sure thing : noun certain thing
- As in certainty : noun positive assurance
- It was a surefire way of reminding the captains that men and frogs were brothers under the skin.
- Extract from : « The Mississippi Saucer » by Frank Belknap Long
Synonyms for surefire
- absolute
- acceptable
- accurate
- affirmed
- agreeable
- all sewn up
- anticipated
- apodictic
- approved
- ascertained
- assiduous
- assured
- attested
- authentic
- authoritative
- authoritativeness
- belief
- beyond doubt
- bonded
- bottomless
- bound
- boundless
- calculable
- ceaseless
- cert
- certain
- certainty
- certified
- certitude
- cinch
- cinched
- clear-cut
- clinched
- come-through
- confidence
- confirmed
- consistent
- constant
- continual
- continuing
- continuous
- conviction
- correct
- counted on
- credence
- dead certainty
- decided
- definite
- definiteness
- delivering
- dependable
- destiny
- diligent
- dogmatism
- dyed-in-the-wool
- effective
- effectual
- efficacious
- efficient
- endless
- endorsed
- ensured
- established
- eternal
- exact
- excellent
- expected
- fail-safe
- faith
- faithful
- faultless
- firmness
- fixed
- flawless
- foolproof
- for a fact
- for sure
- foregone conclusion
- foreseeable
- foreseen
- good
- goofproof
- guaranteed
- handy
- have a lock on
- helpful
- idiot-proof
- impeccable
- in the bag
- incontestable
- incontrovertible
- indisputable
- indubitable
- indubitableness
- ineluctable
- inerrable
- inerrant
- inescapable
- inevitability
- inexhaustible
- infallible
- insured
- invariable
- irrefutable
- irrevocable
- likely
- lock
- lockup
- loyal
- made certain
- nailed down
- never-failing
- no mistake
- no two ways about it
- omniscient
- on ice
- open and shut case
- open-and-shut case
- perfect
- persistent
- pledged
- plighted
- positive
- positiveness
- positivism
- prepared
- pronounced
- protected
- racked
- rain or shine
- reliable
- rock solid
- safe
- safe bet
- same
- satisfactory
- satisfying
- sealed
- secure
- secured
- set
- settled
- setup
- sewed up
- shoo-in
- small risk
- solid
- staunch
- staunchness
- steadfast
- steadiness
- stock
- store
- straight
- sure
- sure bet
- sure enough
- sure thing
- sure-fire
- surefire
- sureness
- surety
- tested
- there
- tried
- tried-and-true
- true
- trust
- trustworthy
- unassailable
- unavoidable
- unbeatable
- uncontestable
- undeceivable
- undeniable
- undoubted
- unequivocable
- unerring
- unfailing
- unflagging
- unimpeachable
- unlimited
- unquestionable
- unrelenting
- unshakable
- useful
- validity
- warranted
- wrap-up
Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019