Physically powerful; capable of exerting great physical force. Marked by great physical power: a strong blow to the head. In good or sound health; robust: a strong constitution; a strong heart. Economically or financially sound or thriving: a strong economy. Having force of character, will, morality, or intelligence: a strong personality. Having or showing ability or achievement in a specified field: students who are strong in chemistry. Capable of the effective exercise of authority: a strong leader. Capable of withstanding force or wear; solid, tough, or firm: a strong building; a strong fabric. Having great binding strength: a strong adhesive. Not easily captured or defeated: a strong flank; a strong defense. Not easily upset; resistant to harmful or unpleasant influences: strong nerves; a strong stomach. Having force or rapidity of motion: a strong current. Persuasive, effective, and cogent: a strong argument. Forceful and pointed; emphatic: a strong statement. Forthright and explicit, often offensively so: strong language. Extreme; drastic: had to resort to strong measures. Having force of conviction or feeling; uncompromising: strong faith; a strong supporter. Intense in degree or quality: a strong emotion; strong motivation. Having an intense or offensive effect on the senses: strong light; strong vinegar; strong cologne. Clear and loud: a strong voice. Readily noticeable; remarkable: a strong resemblance; a strong contrast. Readily detected or received: a strong radio signal. Having a high concentration of an essential or active ingredient: mixed a strong solution of bleach and water. Containing a considerable percentage of alcohol: strong punch. Powerfully effective: a strong painkiller.