Related Clues:

• Strung tightly
• Not calm
• Future, for one
• Strained by time in grammar
• Stretched very tight
• Rigid, or grammatical time
• Anxious, nervous
• Anxious, high-strung
• Taut, strained
• Attribute of verbs signalling time
• Taut or strained
• Stretched tight or disciplined
• Nervous or tight
• Stretched tightly, unable to relax
• Verb form, indicates time