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

See also: backward, moribund, stagnant, weak

• swob
• swollen
• swollen-headed
• swoon
• swooning
• swoop
• swoop up
• swoosh
• swop
• sword
• sword bean
• sword cane
• sword dance
• sword dancing
• sword fern
• sword grass
• sword knot
• sword lily
• sword of Damocles
• sword stick
• sword-cut
• sword-shaped
• swordbill
• swordfish
• swordlike