offhandassurance

noun
UK /ˌɒf.hænd əˈʃɔː.rəns/
US /ˌɔːf.hænd əˈʃʊr.əns/

A calm, easy way of saying something is true without thinking hard about it first.

Her offhandassurance that the bus would come soon made everyone relax.


OTHER MEANINGS

2. A promise made quickly and without much planning.

He gave an offhandassurance that he would fix the bike by Friday.

3. A manner of speaking that sounds sure but may not be deeply considered.

The guide's offhandassurance about the trail worried the careful hikers.

4. Comfort given in a light, informal way.

Her offhandassurance at the door helped the nervous child feel better.