The term 'FULL OF ANGST' can be summed up by the crossword solution 'TENSE'. This word describes a feeling of anxiety, apprehension, or unease. It is often associated with a fear of the unknown or an anticipation of something bad happening. It can also be used to describe a situation that is emotionally charged and difficult to handle. In short, 'FULL OF ANGST' is a phrase that expresses a state of being overwhelmed by worry and fear.