Puzzling
Part of speech: verb
Definition: To perplex (someone).
Part of speech: adjective
Definition: Difficult to understand or explain; enigmatic or confusing; perplexing
Example sentence: People's intolerance, I find puzzling.
Perplexing
Part of speech: adjective
Definition: confusing or puzzlingbewildering
Part of speech: verb
Definition: To cause to feel baffled; to puzzle.
Example sentence: For Philistines like me, the mysteries of Washington can be both perplexing and wondrous.