adjective
sincere
sin-SEER/sɪnˈsɪr/
Expressing true feelings or beliefs without pretense or deceit.
Her apology sounds sincere.

Etymology
Latin sincerus described things as pure or unmixed, and figuratively people as genuine or truthful. The connection is honesty understood as being unmixed with deceit; the Latin word’s deeper origin is uncertain.
In context
sales will come you have to look at each person as a real human being and be able to connect and they have to feel that you're genuine and you're sincere
More examples
- He offered his sincere thanks.
- The promise was sincere even though he failed to keep it.
- She doubted whether the invitation was sincere.
Forms
sincere · sincerer · sincerest
sincerity noun — honesty of feeling
sincerely adverb — with genuine feeling
Similar words
- genuine
- Real rather than pretended.
- heartfelt
- Deeply and sincerely felt.