A living thing of little or no intelligence does not feel pain or other negative sensations.

plural of context-sensitive grammar

(formal language theory) A formal grammar in which the left-hand sides and right-hand sides of any production rules may be surrounded by a context of terminal and nonterminal symbols.

(informal) Used to express the absurdity of a situation.

Sensitive to latency or small variations in time; time-critical. / Reliant on a deterministic ordering in time; time-dependent. / Urgent.