NDA (I) 2025 General Ability Test · Question 20 of 150

Correct — A, immediate. 'Instantaneous' means occurring at once, without any perceptible delay, which is precisely what 'immediate' conveys. 'Delayed' is its opposite, 'deliberate' (done slowly and on purpose) works against the idea of speed, and 'unwanted' is unrelated to timing.

• (b)delayed — 'Delayed' means held back or late — the direct opposite of something that happens at once.
• (c)deliberate — 'Deliberate' suggests slow, careful, intentional action, which cuts against the instant, no-delay sense of 'instantaneous'.
• (d)unwanted — 'Unwanted' concerns whether something is desired, not how quickly it happens; it is unrelated to the meaning of 'instantaneous'.

'Instantaneous' describes something that happens in an instant, with no time lag. The nearest-in-meaning option must capture that sense of no delay.

No directly related past PYQ was found.

• practice — not a real PYQ

  Select the word nearest in meaning to 'instantaneous': The connection gave an instantaneous response.

  • (a)instant
  • (b)gradual
  • (c)occasional
  • (d)reluctant

  Answer(a) instant — 'instantaneous' means happening at once.

• practice — not a real PYQ

  Choose the antonym of 'instantaneous'.

  • (a)prompt
  • (b)immediate
  • (c)delayed
  • (d)swift

  Answer(c) delayed — the opposite of something occurring without delay.