Antonyms for undoubtful
| Grammar : Adj |
| Spell : dout-fuhl |
| Phonetic Transcription : ˈdaʊt fəl |
- delicate
- depressed
- doubtful
- doubting
- down
- dubious
- endangered
- faltering
- feeble
- flexible
- gloomy
- heavy
- hesitant
- humble
- imbalanced
- indefinite
- infirm
- insecure
- irresolute
- loose
- meek
- moving
- pale
- pallid
- pessimistic
- questionable
- sad
- sallow
- soft
- uncertain
- unconfident
- undecided
- unfastened
- unfixed
- unhappy
- unpredictable
- unprotected
- unreliable
- unsafe
- unsecure
- unself-confident
- unsound
- unstable
- unsure
- untrustworthy
- wavering
- weak
- wobbly
Definition of undoubtful
Origin :- late 14c., from doubt (n.) + -ful. Related: Doubtfully; doubtfulness.
- As in sanguine : adj happy; optimistic
- As in secure : adj certain, definite
- As in self-confident : adj secure with oneself
- As in certain : adj confident
Synonyms for undoubtful
- able
- absolute
- animated
- assertive
- assured
- at ease
- balanced
- believing
- buoyant
- calm
- carefree
- cheerful
- cinch
- cocksure
- conclusive
- confident
- convinced
- determined
- easy
- enthusiastic
- established
- expectant
- fearless
- firm
- hopeful
- hotdog
- hotshot
- in the bag
- know-it-all
- lively
- locked on
- nailed down
- on ice
- poised
- positive
- questionless
- reassured
- reliable
- resolute
- sanguine
- satisfied
- secure
- self-assured
- self-confident
- self-reliant
- settled
- shoo-in
- solid
- sound
- spirited
- stable
- steadfast
- steady
- strong
- sure
- sure of oneself
- sure thing
- tried and true
- unanxious
- unconcerned
- undisturbed
- undoubtful
- undoubting
- unperturbed
- untroubled
- upbeat
- well-founded
Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019