隙

gap; opening; room; space

break; interval; spare moment; spare time

unguarded moment; carelessness; weak spot; chink in one's armor; flaw; fault

chance; opportunity

gap; opening; space

opportunity (to take advantage of); chance

discord; disagreement

Obsolete term

gap; opening; space

gap; opening; aperture; crevice; crack; chink; space

Dated term

spare moment; interval; break

Dated term

unguarded moment; carelessness; chink in one's armor; weak spot

to exploit a gap (in attention, security, etc.); to catch off guard

Colloquial

chink in the armor (armour)

to watch for an unguarded moment

draft; draught; cold air entering through the crack of a door or window

cooling off of a relationship; draft of cold air between two persons

Usu. after plain verb

before one could; in no time at all; without a gap

closely; compactly; leaving no space

peeping

niche market

to wait for an opportune moment; to bide one's time; to see one's chance

God of the gaps

niche industry

niche product

spare moment; free time; interval; break

Rare term

gap; opening; crevice; crack

gap

person with a lot of free time on their hands; person of leisure; idler; loafer

time and effort; trouble

one must constantly be on one's guard with ...; one cannot be too careful of ...

Idiomatic expression

without any weak spot; watertight (e.g. reasoning); impeccable

vacant space; aperture; gap; opening