1. Sufficiently valuable to justify the investment of time or interest
   "a worthwhile book"

See also: worthwhileness, worthy

• quinoline
• quinone
• Quinora
• Quinquagesima
• Quinquagesima Sunday
• toner
• tong
• tong ho
• Tonga
• Tongan
• Tongan monetary unit
• tongs
• tongue
• tongue and groove joint
• tongue depressor
• tongue fern
• tongue twister
• tongue worm
• tongue-in-cheek
• tongue-lashing
• tongue-shaped
• tongue-tie
• tongue-tied
• tongued
• tonguefish