Unspecified Verbs
Verbs which apply to generic activity
Universal Quantifiers
Words denoting totality of quantity, eg all, every, none.
Unconscious mind (other than conscious mind)
Those parts of one's mental processes currently outside conscious awareness. Given that the conscious mind can only hold 7 + or - 2 chunks of information simultaneously, and the unconscious mind holds the bulk of one's information, the unconscious mind is worth cultivating.