1. Overlapping in duration
   "concurrently with the conference an exhibition of things associated with Rutherford was held"
   - at the same time

See also: concurrent

• threatened abortion
• threatening
• threateningly
• three
• three day eventing
• three hundred
• Three Kings' Day
• three sheets to the wind
• three times
• three-bagger
• three-banded armadillo
• three-base hit
• three-card monte
• three-centered arch
• three-cornered
• three-cornered leek
• three-d
• three-day event
• three-day measles
• three-decker
• three-dimensional
• three-dimensional figure
• three-dimensional radar
• three-dimensionality
• three-figure