Sincereshowing true feelings and not faking them usually means honest and genuinereal and not false or artificial, with no pretending or hidden motivethe reason why someone does something. It can also describe someone who is serious and earnest in a firm, rather formal way.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /sɪnˈsɪr/
Easy pronunciation: sin-SIR (approximate spelling).
Stress: Stress the second syllable.
Use the adjective meaning open and genuine; not pretending or deceptive.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.
Sincere Meaning
honest and real
Part of speech: adjective
Definition: Open and genuine; not pretending or deceptive.
Example: She gave a sincere apology and meant every word.
Synonyms for this meaning:
- earnest — Works well when sincerity means serious and genuine feeling.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.
Other Meanings of Sincere
Meaning 2
serious and strongly convinced
Part of speech: adjective
Definition: Characterized by a firm and humorless belief in the validity of your opinions.
Example: He sounded sincere, but his argument was still unfair.
Synonyms for this meaning:
- solemn — Fits the serious, grave tone of this sense, though it is not always a perfect substitute.
- earnest — Can fit when the meaning is serious and intense rather than warm or affectionate.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.
Sincere Synonyms
Similar Meaning
- earnest
serious and strongly convinced
- solemn
- earnest
Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Sincere does not mean polite, friendly, or kind by itself.
- The word can mean genuine, but in some contexts it also has a more serious or solemn sense.
- Do not use sincere as a direct synonym for honest in every context; it usually adds the idea of real feeling or lack of pretense.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does sincere mean?
Sincere usually means honest, genuine, and not fake or deceptive. In some contexts, it also means serious and deeply convinced.
What are common synonyms for sincere?
For the main meaning, a strong synonym is earnest. For the more formal serious sense, solemn can also work in some contexts.
Is sincere always the same as honest?
No. Honest focuses on telling the truth, while sincere often means your feelings, words, or actions are genuine and not pretend.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-22. AI assessment; not a guarantee of accuracy.