1. Lasting through a year
   "attending yearlong courses"

See also: long

• Thielavia
• Thielavia basicola
• thieve
• thievery
• thieving
• thievish
• thievishly
• thievishness
• thigh
• thigh boot
• thigh pad
• thigh-slapper
• thighbone
• thigmotaxis
• thill
• thimble
• thimble-shaped
• thimbleberry
• thimbleful
• thimblerig
• thimblerigger
• thimbleweed
• thimerosal
• thin
• thin air