(religion) The final and eternal judgment by God of all nations; Final Judgment. / (by extension) Any time or event at which responsibility will be assigned.

Synonym of reckon on

Used other than figuratively or idiomatically: see reckon, without. / To ignore; to fail to consider.

(historical) A printed book or table containing precalculated values, often multiples of given amounts. / A computer program which calculates values; an online calculator.

A method of estimating the position of a ship or aircraft by applying estimates of the distance and direction travelled to a previously known position. In respect to ships/boats, it excludes the effect of wind and current on the vessel. Compare with estimated position. Abbreviation: DR

(idiomatic, uncommon, archaic) A (falsified) bill that is not itemised, and that is unjustifiably high. / (nautical) A false or incorrect reckoning of position.

(UK, slang) An expression of disbelief or doubt at what one has just heard.

plural of dead reckoning

present participle of reckon out

Third-person singular simple present indicative form of reckon out