KEY: Threatening.
SYN: Menacing, intimidating, minatory, comminatory, minacious,foreboding, unpromising, imminent, impending.
ANT: Encouraging, promising, reassuring, enticing, passed, overpast,withdrawn.

• Impartial, [See PARTIAL]
• Impart, [See GIVE]
• Impassable, [See PASSABLE]
• Impassible
• Impassioned
• Impassive, [See IMPASSIONED]
• Impatient, [See PATIENT], Impawn, [See PAWN]
• Impeach
• Impeccability, [See PECCABILITY]
• Impede, [See ACCELERATE]
• Impediment
• Impel, [See URGE]
• Impend
• Impenetrable, [See PENETRABLE]
• Impenitent, [See PENITENT]
• Imperative
• Imperceptible, [See PERCEPTIBLE]
• Impercipient, [See PERCIPIENT]
• Imperfection
• Imperfect, [See PERFECT]
• Imperforate, [See PERFORATE]
• Imperial
• Imperil, [See ENDANGER]
• Imperious
• Imperishable, [See PERISHABLE]