unguided

/'ʌn'gaidid/

Thân thiện

An unguided missile veers off course after launch.

Definition

1. Adjective:
   • Not directed or controlled by external guidance systems: Describes objects, especially projectiles or vehicles, that lack internal or external systems to steer them toward a target after launch or release.
   • Lacking direction, supervision, or leadership: Describes a person, process, or activity that proceeds without advice, instruction, or oversight from a knowledgeable source.

Usage and Examples

• Adjective (Lacking mechanical/electronic guidance):
  • The military used unguided rockets in the barrage.
  • Early artillery shells were largely unguided.
• Adjective (Lacking personal direction/oversight):
  • The new intern felt unguided during her first week.
  • His research began as an unguided exploration of the archives.

Advanced Usage and Nuances

• Technical Context: In military and aerospace engineering, "unguided" is a precise technical term contrasting with "guided" (e.g., guided missile). It implies a ballistic trajectory.
• Figurative Use: Can describe abstract processes like thoughts, conversations, or learning that lack a clear aim or mentor.
  • The meeting degenerated into an unguided discussion.
  • Her learning was unguided but remarkably effective.

Variants and Related Words

• Unguidedly (adverb): In an unguided manner.
  • The projectile flew unguidedly toward its target.
• Guidance (noun): The act or function of guiding. (This is the root concept from which "unguided" is derived via the prefix "un-".)
• Self-guided (adjective): Guided by one's own systems or decisions. (This is a related but distinct concept, implying internal rather than external guidance.)

Synonyms

• Aimless: Lacking a definite purpose or direction.
• Unsupervised: Not watched or directed by someone in authority.
• Uncontrolled: Not under control or restraint.
• Ballistic: (In specific technical contexts) Following a trajectory governed solely by gravity and initial momentum after launch.

Antonyms

• Guided: Directed or controlled by a system or person.
• Supervised: Observed and directed.
• Directed: Having a clear aim or management.
• Steered: Actively guided along a course.

Related Phrases and Collocations

• Unguided missile/rocket/ordinance: Standard collocation in military terminology.
• Unguided tour: A tour taken without a human guide, often using a map or brochure.
• Unguided learning: An educational approach where the learner sets their own path without formal instruction.

Học thuật

Adjective

1. not subject to guidance or control after launching
   • unguided missiles