IPA: /ˈsfɪŋkslaɪk/
KK: /ˈsfɪŋksˌlaɪk/
Having a mysterious or enigmatic quality, often suggesting a hidden meaning or intention.
Her sphinxlike expression made it difficult to know what she was really thinking.
Sphinxlike → It is formed from "sphinx" (from Greek "sphynx", meaning a mythical creature with a lion's body and a human head) and "-like" (meaning resembling or characteristic of). The word "sphinxlike" describes something that resembles or has characteristics of a sphinx, often implying mystery or inscrutability.
Think of the mythical creature 'sphinx' known for its mystery and riddles, and remember that 'sphinxlike' means resembling that enigmatic quality.