Grade 4
(un-cer-tain) 3 syllables

Definition

adjective. not known for sure; not definite; not knowing with certainty; not sure; likely to change; not predictable

Example Sentence

The future of the program is uncertain.

Synonyms

unsure; doubtful; confused

Antonyms

certain; definite; positive

Hear It! Say It! Write It!

uncertain
Hear It! Say It! Write It!