失しっ速そく

し

っ

そ

く

Common wordFreq.FrequencyTop 20,000

Meanings

noun, noun or participle which takes 'suru', intransitive verb

stall; lose airspeed

aviation

Aviation term for an aerodynamic stall; also used as a noun or with する to describe the action of stalling.

noun, noun or participle which takes 'suru', intransitive verb

Figurative use for a loss of momentum in business, economy, sports, or other activities; often implies a sudden or noticeable drop.

景けい気きが失しっ速そくし始はじめた。
The economy has started to slow down.
チームは後こう半はんに失しっ速そくして逆ぎゃく転てん負まけした。
The team lost momentum in the second half and lost after a comeback.

減げん速そく
減速 means a controlled deceleration, while 失速 implies an unintended loss of speed or lift, often with negative consequences.
停てい滞たい
停滞 means stagnation or a standstill, whereas 失速 suggests a decline or loss of momentum from a previously higher level.

Compound of 失 (loss) and 速 (speed). Originally an aviation term, later extended to general contexts.