Alternative form of 欠ける

lack / gap / fail

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

a plan, planning, schedule, conception

to plan, to make a plan, to plot, to lay out

What? What did you say?

whatchamacallit, X

what

what number, how many (used with a counter) / (used with も) many (used with a counter)

What?, Huh?