simple past tense and past participle of idiot-proof

Feelings, thoughts, contemplation of, a preoccupation with or a general desire for one's own suicide, or the idea of ceasing to exist.

present participle of sit idly by

simple past tense and past participle of sit idly by

To remain close or stand aside while refraining from acting or intervening.

Third-person singular simple present indicative form of sit idly by

plural of ideal triangle

plural of identification map

plural of identity parade

(mathematics) An analog of the formula det(AB) = det(A) det(B), for certain matrices with noncommuting entries, related to the representation theory of the Lie algebra glₙ. It can be used to relate an invariant ƒ to the invariant Ωƒ, where Ω is Cayley's Ω process.