assure
Definitions
To tell someone confidently that something is true, so as to remove their doubt or worry.
向（某人）保证；使确信
To make something certain or guaranteed.
确保；保证（某事）
Root Breakdown
Root-derivedas- (a form of ad-, 'to, toward') + sure = 'make sure toward someone' — that is, make a person feel sure. assure is aimed at a worried human: you assure someone (that) something is true to calm them. Memory hook: the A in Assure is the A in Anxiety — you remove someone's anxiety.
Root sur still carries 9 more wordsUsage Guide
- assure someone (that): the object is a person — assure your boss that it's done
- assure someone of something: I assure you of my support
- Don't confuse with ensure/insure: assure calms a person, ensure guarantees an event, insure buys insurance. (A = Anxiety, E = Event, I = Insurance.)
- In British English 'assurance' can also mean life insurance, a historical overlap with insure.
Example Sentences
- 1.
I can assure you that the food here is completely safe.
- 2.
The manager assured the customers that refunds would be quick.
- 3.
He assured himself that the door was locked before sleeping.