Antonyms

Unacceptable means not allowed or not satisfactory. Unobjectionable means not causing objection or disagreement, which is technically the opposite but is an awkward construction. The simple antonym would be 'acceptable'.

 Decry is to denounce or criticize. It is a verbal attack. Therefore, protect is opposite in meaning.

Bright means giving out or reflecting light. Sunless means without sunlight, which is an antonym in the context of light sources. However, 'dim' or 'dark' would be more straightforward antonyms.

Loathe means to hate or detest intensely. Crave means to desire strongly, which is the correct antonym - intense desire versus intense dislike.

Veil means to cover or hide something. Reveal means to make visible or uncover, which is the direct antonym.

Neglect means to fail to care for properly or give little attention to something. Discipline is given as the antonym - while not a direct opposite, discipline implies the structure, care, and attention that is the opposite of neglect.

A portal is an entrance, doorway, or opening used for entering. The opposite would be an exit, which is used for leaving or going out.

Silliness refers to foolishness, lack of seriousness, or frivolous behavior. Discretion means being careful, prudent, and showing good judgment in one's actions and speech.

Expansive means covering a wide area, extensive, or able to expand. Close in this context means confined, restricted, or limited in space or scope.

To undertake means to take on, commit to, or begin a task or responsibility. To decline is to refuse, reject, or turn down an opportunity or request.

Lassitude means weariness, lack of energy, lethargy, or a state of tiredness. Strength is the quality of being physically strong, having vitality, or possessing energy and power.

Belittle is to criticize. So, opposite is to praise.

Equivocal means uncertain, ambiguous, open to multiple interpretations, or unclear. Positive in this context means definite, clear, unambiguous, and leaving no doubt.

Useless means having no purpose, serving no function, or being ineffective. Useful means serving a purpose, being effective, or having practical utility.

Devoted means loyal, faithful, dedicated, or committed to someone or something. Perfidious means treacherous, deceitful, untrustworthy, or faithless, often implying a betrayal of trust.

Giddy can mean dizzy, frivolous, lacking serious thought, or carelessly excited. Heedful means attentive, cautious, thoughtful, and paying careful attention to what one is doing.

A floor is the lowest surface or bottom level of a room or structure. A crest is the top, peak, or highest point of something like a wave, hill, or helmet.

Casual means informal, occasional, relaxed, or done without serious purpose or regularity. Regular in this context means consistent, following a pattern, formal, or done according to a set system.

To be sure means to be certain, confident, and without doubt. Surmise means to guess or suppose something without having full evidence or certainty - this represents uncertainty, which is the opposite of being sure. Desert means to abandon, Trust means to believe or rely on, and Honest means truthful - none of these directly oppose the concept of certainty.

Irritate means to provoke, annoy, or cause discomfort or agitation to someone. Solace means to give comfort or consolation to someone in distress or sadness - this is directly opposite to causing irritation or discomfort. Divide means to separate, Judge means to form an opinion, and Crest means the top of something.

Hollow means empty, void, or having a space inside - lacking substance or solidity. Hard as an adjective can mean solid, firm, or substantial - directly opposite to being empty or hollow. Soft means not hard (but still solid), Use means to employ, and Cancel means to annul. Hard represents substance and solidity versus emptiness.