(idiomatic) Something that appears beautiful or good is by definition beautiful or good.

Third-person singular simple present indicative form of kill two birds with one stone

present participle of kill two birds with one stone

simple past tense and past participle of kill two birds with one stone

The wisest and the most experienced cannot be easily deceived.

(countable) A cage to keep pet or zoological specimen birds in. / (uncountable) A game of chance played with dice; chuck-a-luck.

(birdwatching) A birdwatcher. / A person who hunts birds.

(colloquial) Someone who is not intelligent.

(diminutive) A (little) bird; a birdling; a child's term for a bird. / (golf) The completion of a hole one stroke below par. / (badminton) A shuttlecock. / (Philippines, slang) A man's penis.

(intransitive, golf) To score a birdie. / (transitive, golf) To score a birdie at (a hole).