unsure, uncertain, hesitant, undecided, disbelieving
Synonym - actually Antonym - doubtful
A synonym is a word that means the same, or almost the same. So yes the word absurd could be a synonym form another word or there are synonyms for the word absurd.
Example sentence - It is doubtful the student will graduate as he does not have the credits required.
A synonym for "classify" is analyze.
A synonym for regularly is common!
doubtful
doubtful, suspicious, dubious, unsure, uncertain
Synonyms for the word skeptical:cynical, disbelieving, doubtful, unconvinced, dubious, incredulous.
Synonym - actually Antonym - doubtful
A synonym for unlikely is doubtful. Now when you are creating a sentence such as; It is unlikely you will remember to do your homework. Replace unlikely with doubtful now you have, I am doubtful that you will remember to do your homework. This should help you understand the meaning of unlikely.
approaching, forthcoming, close, nearing, following, inevitable, unavoidable
Arsekoner
The root word of doubtful is "doubt."
synonymize
word for word
The antonym of the word 'synonym' is 'antonym'.
"Alternate word" is a noun-phrase that is kind of a synonym for the word "synonym. There is no one exact word that means the same as synonym.