almostcertain
adjectiveUK /ˌɔːlməʊst ˈsɜːtn/
US /ˌɔːlmoʊst ˈsɜːrtn/
Very likely to happen, but not completely sure.
It is almost certain that it will rain tomorrow.
OTHER MEANINGS
2. Nearly definite in someone's mind, though not proven.
She was almost certain she had locked the door.
3. So close to being guaranteed that little doubt remains.
With their lead, victory was almost certain.
4. Strongly believed to be true based on evidence.
It is almost certain that the team will win the cup.