1. Characterized by an absence of force or forcefulness
   - undynamic 
2. Lacking strength or vigour
   - asthenic, debilitated, enervated

See also: backward, moribund, stagnant, weak

• gymnastic exercise
• gymnastic horse
• gymnastically
• gymnastics
• Gymnelis
• Gymnelis viridis
• Gymnocalycium
• Gymnocarpium
• Gymnocarpium dryopteris
• Gymnocarpium robertianum
• Gymnocladus
• Gymnocladus dioica
• Gymnogyps
• Gymnogyps californianus
• Gymnomycota
• Gymnophiona
• Gymnopilus
• Gymnopilus spectabilis
• Gymnopilus validipes
• Gymnopilus ventricosus
• Gymnorhina
• Gymnorhina tibicen
• gymnosophical
• gymnosophist
• gymnosophy