Assure Definition & Meaning | Britannica Dictionary (original) (raw)

Britannica Dictionary definition of ASSURE

[+ object]

1

:

to make (something) certain

:

ensure

• He believed that hard work would assure his success. [=that hard work would make him sure to succeed]
• We must assure that every child gets a proper education. = We must assure a proper education for every child.
• Winning the Nobel Prize will assure [=_secure, guarantee_] her a place in history.

◊ To assure someone of doing something is to make it certain that someone will do something.

• A victory in this game will assure them of finishing the season with a winning record.

2

:

to tell someone in a very strong and definite way that something will happen or that something is true

• I can assure you that you won't be disappointed.
• She assured me (that) she was OK when I talked to her on the phone.
• His boss assured him that he had her continued support. = His boss assured him of her continued support. = “You have my continued support,” his boss assured him.
• These mistakes won't happen again, I (can) assure you.

assure yourself

:

to make yourself sure or certain about something

• He tried opening the door to assure himself that it was locked.
• They managed to be third in line, assuring themselves of good seats for the concert.