What does inattention mean?
Inattention means a failure to pay attention, concentrate, or respond carefully to something. It commonly describes distracted behavior, such as failing to notice a hazard, misreading instructions, or overlooking an important detail. The word can also name the resulting oversight: “The error was a simple inattention.” Its connotation is generally negative because inattention suggests carelessness, forgetfulness, or a lapse in concentration rather than an intentional decision. In legal, educational, and workplace contexts, it is often used to characterize responsibility for mistakes: “The incident was caused by inattention to procedure.” Although related to carelessness and negligence, inattention focuses more specifically on the absence of mental attention than on broader dishonesty or irresponsibility. It is distinct from intention, which concerns what someone means to do. The word is used in both British and American English and is especially useful when describing mistakes caused by a temporary failure of focus.
nounInattention is a failure to give careful attention to someone or something. It can refer to a general lack of concentration or to an oversight caused by such a lack.
- A failure to pay attention or to concentrate.
- An oversight or inadvertent mistake resulting from a lack of attention.
"The accident was caused by a momentary failure of attention."
"A moment of inattention allowed the email to be sent to the wrong recipient."
"The report attributed the damage to inattention rather than to a lack of resources."
A rare countable plural, used for separate lapses of attention or individual oversights.
"The transcript contained several inattentions that could have altered its meaning."
Inattention is often the quiet culprit behind mistakes that look like bad luck.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does inattention come from?
Inattention was formed in English in the early 17th century by combining the prefix in-, meaning “not” or “without,” with attention. Attention itself comes through Old French from Latin attentionem, a noun derived from attendere, “to stretch toward” or “to give heed to.” The same Latin root underlies attentive and intentional, which likewise relate to the idea of directing the mind toward something.
Related word forms
How inattention is actually used
Inattention is formal but widely understood. It is most often uncountable, though “an inattention” and the plural “inattentions” are used, especially for individual lapses or oversights.
Easily confused with inattention
Inattention means a lack of attention, whereas intention means a deliberate purpose or aim.