Not happening often; irregular; rare.

relating to state immediately before falling asleep.

of extreme force or strength.

Having very bright contrasting colors and shapes. psychedelic drug.

To think carefully about something.

Being sympathetic. ability to understand something. To know the meaning of language, what someone says.

brief period of time. Very short or brief periods of time.

Not changing your conduct or opinion. distinctive clothing worn by members of same organization or body or by children. To dress in formal clothes like the army wear.

in way that relates to person's emotions.

To examine something in detail to learn about it.

Equipped with feathers. (Of a young bird) to become capable of flight.

Best or most advantageous thing for someone. excite curiosity or attention of.

experience involving apparent perception of something not present. Seeing things that are not there, as from drug use.

in direction of.

Very upsetting due to some unexpected event. To cause great surprise, horror, or anger.