Sincerity is a noun for being genuinereal and true, not fake or copied, honest, and not pretendingacting as if something is true when it is not. It can also refer to earnestness, seriousness, or a plain, natural quality, depending on the contextthe words or situation around something that help explain it.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /sɪnˈsɛrɪti/
Easy pronunciation: sin-se-REH-ri-tee (approximate spelling).
Stress: Primary stress on the second syllable: REH.
Use this for the noun meaning honesty and genuineness, not the related senses of seriousness or natural simplicity.
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.
Sincerity Meaning
the quality of being honest and genuine
Part of speech: noun
Definition: the quality of being open and truthful; not deceitful or hypocritical
Example: They could hear the sincerity in her voice.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.
Other Meanings of Sincerity
Meaning 2
the quality of being serious and not joking
Part of speech: noun
Definition: the trait of being serious
Example: His sincerity in the meeting made everyone listen.
Synonyms for this meaning:
- earnestness — Works well when sincerity means serious, focused attention.
- seriousness — Works in this sense when it means being serious rather than playful.
- serious-mindedness — Close in meaning, but more specific and less common.
Meaning 3
a feeling that is serious and deeply felt
Part of speech: noun
Definition: an earnest and sincere feeling
Example: She spoke with sincerity about the loss.
Synonyms for this meaning:
- earnestness — Fits when sincerity refers to deep, serious feeling.
- seriousness — Can fit this emotional sense, though it is broader and less exact.
Meaning 4
a plain, natural quality without pretence
Part of speech: noun
Definition: a quality of naturalness and simplicity
Example: the simple sincerity of folk songs
Synonyms for this meaning:
- unassumingness — A possible match for plainness and lack of pretence, but it is less direct and less common.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.
Sincerity Synonyms
Similar Meaning
- genuineness
- honesty
- truthfulness
seriousness / earnestness
- earnestness
- seriousness
- serious-mindedness
naturalness and simplicity
- unassumingness
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Do not confuse sincerity with insincerity, which means the opposite.
- In some contexts, sincerity means seriousness, not honesty.
- It can also describe a plain, natural quality, especially in artistic or literary writing.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does sincerity mean?
Sincerity means being genuine, honest, and not pretending. In some contexts, it can also mean seriousness or a plain, natural quality.
What are some synonyms for sincerity?
Common synonyms include genuineness, honesty, and truthfulness. In other senses, it can overlap with earnestness, seriousness, or unassumingness.
Is sincerity the same as honesty?
Not exactly. Honesty is about telling the truth, while sincerity is about being genuine and free from pretence. The words often overlap, but they are not identical.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-21. AI assessment; not a guarantee of accuracy.