1. Naughtily or annoyingly playful
   - arch, impish, mischievous, pixilated, prankish, puckish, wicked, pixillated

See also: playful

• family Tricholomataceae
• family Tridacnidae
• family Triglidae
• family Trilliaceae
• family Trionychidae
• family Triopidae
• family Trochilidae
• family Troglodytidae
• family Trogonidae
• family Trombiculidae
• family Trombidiidae
• family Tropaeolaceae
• family Trypetidae
• family Tuberaceae
• family Tuberculariaceae
• family Tulostomaceae
• family Tulostomataceae
• family Tupaiidae
• family Turdidae
• family Turnicidae
• family Tylenchidae
• family Typhaceae
• family Typhlopidae
• family Tytonidae
• family Uintatheriidae