" sturdily "

1: in a vigorous and forceful manner;

  * e.g., " ... no longer so sturdily maintained his innocence when his alibi proved to be a fabrication "

•  Synonyms : 

•  dynamically,

•  energetically,

•  explosively,

•  firmly,

•  forcefully,

•  forcibly,

•  hard,

•  mightily,

•  muscularly,

•  powerfully,

•  roundly,

•  stiffly,

•  stoutly,

•  strenuously,

•  strongly,

•  vigorously

•  Antonyms : 

•  feebly,

•  gently,

•  softly,

•  weakly

1: able to withstand hardship, strain, or exposure;

  * e.g., " ... it took a sturdy person to endure the life of a pioneer "

•  Synonyms : 

•  cast-iron,

•  hard,

•  hard-bitten,

•  hardened,

•  hardy,

•  inured,

•  rugged,

•  stout,

•  strong,

•  tough,

•  toughened,

•  vigorous

•  Antonyms : 

•  delicate,

•  nonhardy,

•  soft,

•  tender,

•  weak

2: marked by the ability to withstand stress without structural damage or distortion;

  * e.g., " ... wear sturdy boots because we will be going over sharp rocks and uneven terrain "

•  Synonyms : 

•  bombproof,

•  fast,

•  firm,

•  sound,

•  stable,

•  stalwart,

•  strong

•  Antonyms : 

•  rickety,

•  unsound,

•  unstable,

•  unsteady

3: not showing weakness or uncertainty;

  * e.g., " ... you'll need a sturdy grasp of the concepts of algebra before you can take calculus "

•  Synonyms : 

•  firm,

•  forceful,

•  hearty,

•  iron,

•  lusty,

•  robust,

•  solid,

•  stout,

•  strong,

•  vigorous

•  Antonyms : 

•  uncertain,

•  weak