Possible Clues:

• Verbally, it's concentrated in the past, present or future.
• Concentrated in the sound end of 12 across
• Camping, by the sound of it, in verbal fashion
• Concentrated, deeply felt
• That's concentrated in verbal fashion
• Verbally concentrated
• Passionate during wild teens
• Of extreme force
• 'I became an -- tourist of wars' (Martha Gellhorn)
• In time becomes zealous