"senseless task" is a correct and usable phrase in written English
You can use it to describe an activity that is tedious or completely pointless. For example: "I felt like I was just wasting my time on this senseless task."
But these tasks scared me senseless and/or made my heart sing.
Despite of this model could be considered realistic, the dramatic different sensitivity of its parameters make the numerical fitting of experimental data a quite impossible task if sets of senseless parameters have to be avoided.
It's not to be ignored: on September 24th an honour-roll student was beaten to death near Fenger, swept up in senseless violence.For an idea of the task confronting Arne Duncan, Barack Obama's education secretary, Fenger is a good place to start.
A late major neurophysiological response indexing 'sense' is the negative component of event-related potential peaking at around 400 ms (N400), an event-related potential that emerges in attention-demanding tasks and is larger for senseless materials (e.g. meaningless pseudowords) than for matched meaningful stimuli (words).
Previous research indicates that, under explicit instructions to listen to spoken stimuli or in speech-oriented behavioural tasks, the brain's responses to senseless pseudowords are larger than those to meaningful words; the reverse is true in non-attended conditions.
Both generals understood that "to confine Soldiers to purely military functions while urgent and vital tasks have to be done, and nobody else is available to undertake them, would be senseless" (Galula 1964).
"These killings were senseless.
Its senseless, cold drag.
They're knocked senseless.
