intransitive verb intrigued -·trigued′, intriguing -·trigu′ing

1. to carry on a secret love affair
2. to plot or scheme secretly or underhandedly

Etymology: Fr intriguer < It intrigare < L intricare: see intricate

transitive verb

1. to bring on or get by secret or underhanded plotting
2. to excite the interest or curiosity of; fascinate the puzzle intrigued her
3. Archaic to trick or perplex
4. Obsolete to entangle

noun

1. an intriguing; secret or underhanded plotting
2. a secret or underhanded plot or scheme; machination
3. a secret love affair