The term 'very nervous' can be described by a variety of words, including 'EDGY' (4 letters), 'ANTSY' (5 letters), 'TENSE' (5 letters), 'highstrung' (10 letters), and 'highlystrung' (12 letters). All of these words refer to a state of being anxious or uneasy, often due to anticipation or fear. EDGY and ANTSY are more informal terms, while TENSE and highstrung are more formal. Highlystrung is an even more intense version of the other words, suggesting a heightened level of anxiety.