Meaning of PUZZLE in English

PUZZLE

I. puz ‧ zle 1 /ˈpʌz ə l/ BrE AmE noun [countable]

1 . a game or toy that has a lot of pieces that you have to fit together ⇨ jigsaw :

a child’s wooden puzzle

2 . a game in which you have to think hard to solve a difficult question or problem:

a crossword puzzle

3 . [usually singular] something that is difficult to understand or explain

puzzle of

the puzzle of how the sun works

The meaning of the poem has always been a puzzle.

He thought he had solved the puzzle.

4 . piece of the puzzle a piece of information that helps you to understand part of a difficult question, mystery etc

II. puzzle 2 BrE AmE verb [transitive]

to confuse someone or make them feel slightly anxious because they do not understand something:

a question that continues to puzzle scientists

He was puzzled by the reactions to his remark.

What puzzles me is why his books are so popular.

puzzle something ↔ out phrasal verb

to solve a confusing or difficult problem by thinking about it carefully:

He lay looking at the ceiling, trying to puzzle things out.

puzzle over something phrasal verb

to think for a long time about something because you cannot understand or solve it:

The class puzzled over a poem by Shakespeare.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.