One entry found for invalid.

Main Entry: ¹in·val·id
Pronunciation: ()in-val-d
Function: adjective
Etymology: from earlier invalid "not having a sound basis in fact or reason, not valid," from Latin invalidus "weak"
: having no force or effect : not valid <an invalid parking sticker> <an invalid assumption>
- in·va·lid·i·ty /in-v-lid-t-/ noun
- in·val·id·ly /()in-val-d-l/ adverb