A riddle, or a difficult problem.
A species of grasshopper, Oedaleonotus enigma.
Mysteriousness; obscurity; lack of clarity.
The Talaud kingfisher, Todiramphus enigma.
A rare species of moth, Heliothis enigma.
A style of literature characterized by obscurity and hints of transcendental meaning.
Something or someone puzzling, mysterious or inexplicable.
A protein with three LIM domains (a conserved cysteine- and histidine-rich structure of two adjacent zinc fingers) at the C terminus that regulates protein phosphorylation.
Riddles and puzzles, collectively.
A riddle.
Anything that is difficult to understand or make sense of.
The state of being puzzled; perplexity.
A game for one or more people that is more or less difficult to work out or complete.
A jigsaw puzzle.
A crossword puzzle.
To think long and carefully, in bewilderment.
To perplex, confuse, or mystify; to cause (someone) to be faced with a mystery, without answers or an explanation.
To make intricate; to entangle.