having, showing, or able to exert great bodily or muscular power; physically vigorous or robust

a strong boy.

accompanied or delivered by great physical, mechanical, etc., power or force

a strong handshake; With one strong blow the machine stamped out a fender.

mentally powerful or vigorous

He may be old, but his mind is still strong.

especially able, competent, or powerful in a specific field or respect

She's very strong in mathematics. He's weak at bat, but he's a strong fielder.

of great moral power, firmness, or courage

strong under temptation.

powerful in influence, authority, resources, or means of prevailing or succeeding

a strong nation.

aggressive; willful

a strong personality.

of great force, effectiveness, potency, or cogency; compelling

strong reasons; strong arguments.

clear and firm; loud

He has a strong voice.

solid or stable; healthy; thriving

The banker predicted a strong economy.

well-supplied or rich in something specific

a strong hand in trumps.

having powerful means to resist attack, assault, or aggression

a strong fortress; a strong defense.

able to resist strain, force, wear, etc.

strong walls; strong cloth.

decisively unyielding; firm or uncompromising

She has strong views about the United Nations. He has a strong sense of duty.

fervent; zealous; thoroughgoing

He's a strong Democrat.

strenuous or energetic; vigorous

strong efforts.

moving or acting with force or vigor

strong winds.

distinct or marked; vivid, as impressions, resemblance or contrast

He bears a strong resemblance to his grandfather.

intense, as light or color.

having a large proportion of the effective or essential properties or ingredients; concentrated

strong tea.

(of a beverage or food) containing much alcohol

strong drink; The fruitcake was too strong.

having a high degree of flavor or odor

strong cheese; strong perfume.

having an unpleasant or offensive flavor or odor, esp. in the process of decay

strong butter.

of a designated number

Marines 20,000 strong.

Commerce . characterized by steady or advancing prices

The market resumed its strong pace after yesterday's setback.

Grammar .

(of Germanic verbs) having vowel change in the root in inflected forms, as the English verbs sing, sang, sung; ride, rode, ridden.

(of Germanic nouns and adjectives) inflected with endings that are generally distinctive of case, number, and gender, as German alter Mann old man.

belonging to the morphophonemically less regular of two inflectional subtypes.

(of a word or syllable) stressed.

Optics . having great magnifying or refractive power

a strong microscope.

strongly. ?

come on strong, Slang . to behave in an aggressive, ardent

or flamboyant manner

When you're interviewed for the job, don't come on too strong.