1. free of deceit, hypocrisy, or falseness; earnest: a sincere apology.
2. genuine; real: a sincere effort to improve; a sincere friend.
3. pure; unmixed; unadulterated.
4. Obsolete. sound; unimpaired.
"people can be sincere about things."
"people can be sincere in things."
"authorities can be sincere about meetings."
"hosts can be sincere in things."
"queens can be sincere about things."
This list can help you learn new vocabulary more quickly and be able explore other words more easily.