strong

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Physically powerful; capable of exerting great physical force.
• adjective Marked by great physical power.
• adjective In good or sound health; robust.
• adjective Economically or financially sound or thriving.
• adjective Having force of character, will, morality, or intelligence.
• adjective Having or showing ability or achievement in a specified field.
• adjective Capable of the effective exercise of authority.
• adjective Capable of withstanding force or wear; solid, tough, or firm.
• adjective Having great binding strength.
• adjective Not easily captured or defeated.
• adjective Not easily upset; resistant to harmful or unpleasant influences.
• adjective Having force or rapidity of motion.
• adjective Persuasive, effective, and cogent.
• adjective Forceful and pointed; emphatic.
• adjective Forthright and explicit, often offensively so.
• adjective Extreme; drastic.
• adjective Having force of conviction or feeling; uncompromising.
• adjective Intense in degree or quality.
• adjective Having an intense or offensive effect on the senses.
• adjective Clear and loud.
• adjective Readily noticeable; remarkable.
• adjective Readily detected or received.
• adjective Having a high concentration of an essential or active ingredient.
• adjective Containing a considerable percentage of alcohol.
• adjective Powerfully effective.
• adjective Of or relating to a color having a high degree of saturation.
• adjective Having a specified number of units or members.
• adjective Marked by steady or rising prices.
• adjective Of or relating to those verbs in Germanic languages that form their past tense by a change in stem vowel, and their past participles by a change in stem vowel and sometimes by adding the suffix -(e)n, as sing, sang, sung or tear, tore, torn.
• adjective Of or relating to the inflection of nouns or adjectives in Germanic languages with endings that historically did not contain a suffix with an n.
• adjective Stressed or accented in pronunciation or poetic meter. Used of a word or syllable.
• adverb In a strong, powerful, or vigorous manner; forcefully.

from The Century Dictionary.

• An obsolete past participle of string.
• Tenacious, so that the particles when compressed separate with difficulty: used of molding-sand containing a large proportion of alumina or clay.
• Possessing, exerting, or imparting force or energy, physical or moral, in a general sense; powerful; forcible; effective; capable; able to do or to suffer.
• Having vital force or capability; able to act effectively; endued with physical vigor; used absolutely, physically powerful; robust; muscular: as, a strong body; a strong hand or arm.
• Having means for exerting or resisting force; provided with adequate instrumentalities; powerful in resources or in constituent parts: as, a strong king or kingdom; a strong army; a strong corporation or mercantile house.
• Having or consisting of a large number, absolutely or relatively; numerically forcible or well provided: usually implying also some special element of strength in some or all of the units composing the number: as, a strong detachment of troops; a strong political party.
• Of specified numerical force; having so many constituent members: applied to armies, and sometimes to other bodies of men, or to animals.
• Exerting or capable of characteristic force; powerful in the kind or mode of action implied; specifically, forceful or efficient: as, a strong painter or actor; a strong voice; strong eyes.
• Vigorous in exercise or operation; acting in a firm or determined manner; not feeble or vacillating: used of the mind or any of its faculties: as, a strong-minded person; a strong intellect, memory, judgment, etc.
• Possessing moral or mental force; firm in character, knowledge, conviction, influence, or the like; not easily turned, resisted, or refuted: as, a strong candidate; a strong reasoner.
• Marked by force or vigor of performance; done, executed, produced, or uttered energetically; effected by earnest action or effort; strenuous; stressful; urgent.
• Marked by force of action or movement; vigorously impelled or sent forth; impetuous; violent; vehement: as, a strong wind; strong tides; strong breathing.