say it: SEN-sluhs
senseless is an adjective meaning "not marked by the use of reason". It carries 4 recorded senses.
not marked by the use of reason
“mindless violence”
“reasonless hostility”
“a senseless act”
unresponsive to stimulation
“he lay insensible where he had fallen”
“drugged and senseless”
serving no useful purpose; having no excuse for being
“otiose lines in a play”
“advice is wasted words”
“a pointless remark”
“a life essentially purposeless”
“senseless violence”
(of especially persons) lacking sense or understanding or judgment
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for senseless come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.