Esp. of speech or writing: easily understood; making a strong impression on the mind; striking, effective. Cf. sense A. 15b. Obsolete.

Fitted to excite serious thoughts or reflections; impressive, awe-inspiring.

Possessing force. Of actions, words, representations: Producing a powerful effect, telling. Of reasoning: Having logical force, strong, convincing.

Impressive, convincing, telling; persuasive, rhetorically or aesthetically forceful; moving.

Impressive. Obsolete. rare.

Powerful in effect, having powerful effects; = effective, adj. 1. Now rare.

Such as to knock down or fell to the ground; figurative irresistible, overwhelming.

Characterized by making a deep impression on the mind or senses; able to excite deep feeling. Said usually of language or scenes; rarely of persons.

That impresses by appearance or manner.

Of a work of art, a design, a literary composition, etc.: producing a striking or pleasing impression.

That has a notable impact or effect, or makes a strong impression; effective, striking.

Direct, to the point; effective, appropriate. Cf. home, adj. 3a. Now rare.

Of a person, his words, writings, etc.: irresistible; demanding attention, respect, etc.

Originally colloquial (Scottish and U.S.). In weakened use: staggering, prodigious, huge; remarkable… In positive contexts.

Of, pertaining to, or characterized by impact; having an impact.

More generally, something that is very powerful or impressive. Frequently as quasi-adj. (often attributive). slang (originally and chiefly U.S.).

Characterized by or indicative of a dismissive or hostile attitude; threatening, intimidating. Hence: awe-inspiring, impressive; huge. Cf. fuck-off…