AM and PM are associated with 12-hour timekeeping, as opposed to the international 24-hour clock. The 12-hour system grew up mainly in Northern Europe, and spread globally from there via the British Empire.
The adjective STRENUOUS has 2 senses: 1. characterized by or performed with much energy or force. 2. taxing to the utmost; testing powers of endurance. Familiarity information: STRENUOUS used as an adjective is rare.
Fatuous affect. The moods of a patient with fatuous affect resemble the moods of a child. This condition is seen in hebephrenic schizophrenia. Flight of ideas. Flight of ideas describes excessive speech at a rapid rate that involves causal association between ideas.