Synonyms of the word

subtle

• adj. Hard to grasp; not obvious or easily understood; barely noticeable.
• adj. (of a thing) Cleverly contrived.
• adj. (of a person or animal) Cunning, skillful.
• adj. Insidious.
• adj. Tenuous; rarefied; of low density or thin consistency.

delicate

• adj. Easily damaged or requiring careful handling.
• adj. Characterized by a fine structure or thin lines.
• adj. Intended for use with fragile items.
• adj. Refined; gentle; scrupulous not to trespass or offend; considerate; said of manners, conduct, or feelings.
• adj. Of weak health; easily sick; unable to endure hardship.
• adj. (informal) Unwell, especially because of having drunk too much alcohol.
• adj. (obsolete) Addicted to pleasure; luxurious; voluptuous; alluring.
• adj. Pleasing to the senses; refined; adapted to please an elegant or cultivated taste.
• adj. Slight and shapely; lovely; graceful.
• adj. Light, or softly tinted; said of a colour.
• adj. Of exacting tastes and habits; dainty; fastidious.
• adj. Highly discriminating or perceptive; refinedly critical; sensitive; exquisite.
• adj. Affected by slight causes; showing slight changes.
• n. A delicate item of clothing, especially underwear or lingerie.
• n. (obsolete) A choice dainty; a delicacy.
• n. (obsolete) A delicate, luxurious, or effeminate person.

elusive

• adj. Evading capture, comprehension or remembrance.
• adj. Rarely seen.
• adj. Difficult to describe.

harmful

• adj. of a kind likely to be damaging; injurious.

impalpable

• adj. Not able to be perceived by the senses (especially by touch); intangible or insubstantial.

insidious

• adj. Producing harm in a stealthy, often gradual, manner.
• adj. Intending to entrap; alluring but harmful.
• adj. (nonstandard) Treacherous.

perceptive

• adj. having or showing keenness of perception, insight, understanding, or intuition.

pernicious

• adj. Causing much harm in a subtle way.
• adj. Causing death or injury; deadly.